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Finding the Fourth Proportional to 100,584.24, 138,748.51 and 62,792.88

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Solution

The fourth proportional to 100,584.24, 138,748.51 and 62,792.88 is: 86,618.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,584.24 : 138,748.51 = 62,792.88 : x
  2. Step 2: Convert to fraction form
    100,584.24/138,748.51 = 62,792.88/x
  3. Step 3: Cross multiply
    100,584.24x = 138,748.51 × 62,792.88
  4. Step 4: Simplify right side
    100,584.24x = 8,712,417,929.44
  5. Step 5: Solve for x
    x = 8,712,417,929.44/100,584.24
  6. Step 6: Final answer
    x = 86,618.12

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