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Finding the Fourth Proportional to 81,404.28, 112,342.14 and 45,592.20

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Solution

The fourth proportional to 81,404.28, 112,342.14 and 45,592.20 is: 62,919.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,404.28 : 112,342.14 = 45,592.20 : x
  2. Step 2: Convert to fraction form
    81,404.28/112,342.14 = 45,592.20/x
  3. Step 3: Cross multiply
    81,404.28x = 112,342.14 × 45,592.20
  4. Step 4: Simplify right side
    81,404.28x = 5,121,925,315.31
  5. Step 5: Solve for x
    x = 5,121,925,315.31/81,404.28
  6. Step 6: Final answer
    x = 62,919.61

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