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Finding the Fourth Proportional to 341,707.80, 512,561.70 and 131,352.60

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Solution

The fourth proportional to 341,707.80, 512,561.70 and 131,352.60 is: 197,028.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,707.80 : 512,561.70 = 131,352.60 : x
  2. Step 2: Convert to fraction form
    341,707.80/512,561.70 = 131,352.60/x
  3. Step 3: Cross multiply
    341,707.80x = 512,561.70 × 131,352.60
  4. Step 4: Simplify right side
    341,707.80x = 67,326,311,955.42
  5. Step 5: Solve for x
    x = 67,326,311,955.42/341,707.80
  6. Step 6: Final answer
    x = 197,028.90

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