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Finding the Fourth Proportional to 173,958.80, 261,024.60 and 68,781.20

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Solution

The fourth proportional to 173,958.80, 261,024.60 and 68,781.20 is: 103,205.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,958.80 : 261,024.60 = 68,781.20 : x
  2. Step 2: Convert to fraction form
    173,958.80/261,024.60 = 68,781.20/x
  3. Step 3: Cross multiply
    173,958.80x = 261,024.60 × 68,781.20
  4. Step 4: Simplify right side
    173,958.80x = 17,953,585,217.52
  5. Step 5: Solve for x
    x = 17,953,585,217.52/173,958.80
  6. Step 6: Final answer
    x = 103,205.96

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