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Finding the Fourth Proportional to 311,892.93, 467,756.37 and 87,239.43

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Solution

The fourth proportional to 311,892.93, 467,756.37 and 87,239.43 is: 130,835.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,892.93 : 467,756.37 = 87,239.43 : x
  2. Step 2: Convert to fraction form
    311,892.93/467,756.37 = 87,239.43/x
  3. Step 3: Cross multiply
    311,892.93x = 467,756.37 × 87,239.43
  4. Step 4: Simplify right side
    311,892.93x = 40,806,799,097.67
  5. Step 5: Solve for x
    x = 40,806,799,097.67/311,892.93
  6. Step 6: Final answer
    x = 130,835.92

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