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Finding the Fourth Proportional to 104,765.56, 144,580.02 and 57,020.64

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Solution

The fourth proportional to 104,765.56, 144,580.02 and 57,020.64 is: 78,690.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,765.56 : 144,580.02 = 57,020.64 : x
  2. Step 2: Convert to fraction form
    104,765.56/144,580.02 = 57,020.64/x
  3. Step 3: Cross multiply
    104,765.56x = 144,580.02 × 57,020.64
  4. Step 4: Simplify right side
    104,765.56x = 8,244,045,271.61
  5. Step 5: Solve for x
    x = 8,244,045,271.61/104,765.56
  6. Step 6: Final answer
    x = 78,690.41

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