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Finding the Fourth Proportional to 264,723.26, 397,134.09 and 87,242.76

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Solution

The fourth proportional to 264,723.26, 397,134.09 and 87,242.76 is: 130,880.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,723.26 : 397,134.09 = 87,242.76 : x
  2. Step 2: Convert to fraction form
    264,723.26/397,134.09 = 87,242.76/x
  3. Step 3: Cross multiply
    264,723.26x = 397,134.09 × 87,242.76
  4. Step 4: Simplify right side
    264,723.26x = 34,647,074,101.69
  5. Step 5: Solve for x
    x = 34,647,074,101.69/264,723.26
  6. Step 6: Final answer
    x = 130,880.36

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