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Finding the Fourth Proportional to 228,207.87, 342,311.85 and 86,014.62

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Solution

The fourth proportional to 228,207.87, 342,311.85 and 86,014.62 is: 129,021.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,207.87 : 342,311.85 = 86,014.62 : x
  2. Step 2: Convert to fraction form
    228,207.87/342,311.85 = 86,014.62/x
  3. Step 3: Cross multiply
    228,207.87x = 342,311.85 × 86,014.62
  4. Step 4: Simplify right side
    228,207.87x = 29,443,823,699.25
  5. Step 5: Solve for x
    x = 29,443,823,699.25/228,207.87
  6. Step 6: Final answer
    x = 129,021.95

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