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Finding the Fourth Proportional to 28,404.55, 39,201.20 and 17,077.74

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Solution

The fourth proportional to 28,404.55, 39,201.20 and 17,077.74 is: 23,569.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,404.55 : 39,201.20 = 17,077.74 : x
  2. Step 2: Convert to fraction form
    28,404.55/39,201.20 = 17,077.74/x
  3. Step 3: Cross multiply
    28,404.55x = 39,201.20 × 17,077.74
  4. Step 4: Simplify right side
    28,404.55x = 669,467,901.29
  5. Step 5: Solve for x
    x = 669,467,901.29/28,404.55
  6. Step 6: Final answer
    x = 23,569.04

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