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Finding the Fourth Proportional to 75,312.75, 103,932.81 and 41,778.75

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Solution

The fourth proportional to 75,312.75, 103,932.81 and 41,778.75 is: 57,655.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,312.75 : 103,932.81 = 41,778.75 : x
  2. Step 2: Convert to fraction form
    75,312.75/103,932.81 = 41,778.75/x
  3. Step 3: Cross multiply
    75,312.75x = 103,932.81 × 41,778.75
  4. Step 4: Simplify right side
    75,312.75x = 4,342,182,885.79
  5. Step 5: Solve for x
    x = 4,342,182,885.79/75,312.75
  6. Step 6: Final answer
    x = 57,655.35

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