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Finding the Fourth Proportional to 67,660.25, 101,490.80 and 17,739.90

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Solution

The fourth proportional to 67,660.25, 101,490.80 and 17,739.90 is: 26,609.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,660.25 : 101,490.80 = 17,739.90 : x
  2. Step 2: Convert to fraction form
    67,660.25/101,490.80 = 17,739.90/x
  3. Step 3: Cross multiply
    67,660.25x = 101,490.80 × 17,739.90
  4. Step 4: Simplify right side
    67,660.25x = 1,800,436,642.92
  5. Step 5: Solve for x
    x = 1,800,436,642.92/67,660.25
  6. Step 6: Final answer
    x = 26,609.96

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