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Finding the Fourth Proportional to 7,821,223.56, 10,781,978.58 and 5,491,022.04

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Solution

The fourth proportional to 7,821,223.56, 10,781,978.58 and 5,491,022.04 is: 7,569,670.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,821,223.56 : 10,781,978.58 = 5,491,022.04 : x
  2. Step 2: Convert to fraction form
    7,821,223.56/10,781,978.58 = 5,491,022.04/x
  3. Step 3: Cross multiply
    7,821,223.56x = 10,781,978.58 × 5,491,022.04
  4. Step 4: Simplify right side
    7,821,223.56x = 59,204,082,017,587.91
  5. Step 5: Solve for x
    x = 59,204,082,017,587.91/7,821,223.56
  6. Step 6: Final answer
    x = 7,569,670.09

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