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Finding the Fourth Proportional to 82,522.80, 123,784.20 and 54,529.20

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Solution

The fourth proportional to 82,522.80, 123,784.20 and 54,529.20 is: 81,793.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,522.80 : 123,784.20 = 54,529.20 : x
  2. Step 2: Convert to fraction form
    82,522.80/123,784.20 = 54,529.20/x
  3. Step 3: Cross multiply
    82,522.80x = 123,784.20 × 54,529.20
  4. Step 4: Simplify right side
    82,522.80x = 6,749,853,398.64
  5. Step 5: Solve for x
    x = 6,749,853,398.64/82,522.80
  6. Step 6: Final answer
    x = 81,793.80

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