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Finding the Fourth Proportional to 67,169.05, 100,759.22 and 20,422.33

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Solution

The fourth proportional to 67,169.05, 100,759.22 and 20,422.33 is: 30,635.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,169.05 : 100,759.22 = 20,422.33 : x
  2. Step 2: Convert to fraction form
    67,169.05/100,759.22 = 20,422.33/x
  3. Step 3: Cross multiply
    67,169.05x = 100,759.22 × 20,422.33
  4. Step 4: Simplify right side
    67,169.05x = 2,057,737,939.27
  5. Step 5: Solve for x
    x = 2,057,737,939.27/67,169.05
  6. Step 6: Final answer
    x = 30,635.21

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