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Finding the Fourth Proportional to 82,366.80, 123,550.20 and 54,324.60

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Solution

The fourth proportional to 82,366.80, 123,550.20 and 54,324.60 is: 81,486.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,366.80 : 123,550.20 = 54,324.60 : x
  2. Step 2: Convert to fraction form
    82,366.80/123,550.20 = 54,324.60/x
  3. Step 3: Cross multiply
    82,366.80x = 123,550.20 × 54,324.60
  4. Step 4: Simplify right side
    82,366.80x = 6,711,815,194.92
  5. Step 5: Solve for x
    x = 6,711,815,194.92/82,366.80
  6. Step 6: Final answer
    x = 81,486.90

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