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Finding the Fourth Proportional to 83,932.40, 125,898.60 and 28,528.40

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Solution

The fourth proportional to 83,932.40, 125,898.60 and 28,528.40 is: 42,792.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,932.40 : 125,898.60 = 28,528.40 : x
  2. Step 2: Convert to fraction form
    83,932.40/125,898.60 = 28,528.40/x
  3. Step 3: Cross multiply
    83,932.40x = 125,898.60 × 28,528.40
  4. Step 4: Simplify right side
    83,932.40x = 3,591,685,620.24
  5. Step 5: Solve for x
    x = 3,591,685,620.24/83,932.40
  6. Step 6: Final answer
    x = 42,792.60

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