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Finding the Fourth Proportional to 345,751.57, 518,331.54 and 132,672.39

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Solution

The fourth proportional to 345,751.57, 518,331.54 and 132,672.39 is: 198,895.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,751.57 : 518,331.54 = 132,672.39 : x
  2. Step 2: Convert to fraction form
    345,751.57/518,331.54 = 132,672.39/x
  3. Step 3: Cross multiply
    345,751.57x = 518,331.54 × 132,672.39
  4. Step 4: Simplify right side
    345,751.57x = 68,768,284,224.18
  5. Step 5: Solve for x
    x = 68,768,284,224.18/345,751.57
  6. Step 6: Final answer
    x = 198,895.07

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