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Finding the Fourth Proportional to 13,568.90, 18,724.97 and 7,600.61

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Solution

The fourth proportional to 13,568.90, 18,724.97 and 7,600.61 is: 10,488.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,568.90 : 18,724.97 = 7,600.61 : x
  2. Step 2: Convert to fraction form
    13,568.90/18,724.97 = 7,600.61/x
  3. Step 3: Cross multiply
    13,568.90x = 18,724.97 × 7,600.61
  4. Step 4: Simplify right side
    13,568.90x = 142,321,260.05
  5. Step 5: Solve for x
    x = 142,321,260.05/13,568.90
  6. Step 6: Final answer
    x = 10,488.79

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