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Finding the Fourth Proportional to 207,732.56, 311,643.48 and 67,488.08

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Solution

The fourth proportional to 207,732.56, 311,643.48 and 67,488.08 is: 101,246.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,732.56 : 311,643.48 = 67,488.08 : x
  2. Step 2: Convert to fraction form
    207,732.56/311,643.48 = 67,488.08/x
  3. Step 3: Cross multiply
    207,732.56x = 311,643.48 × 67,488.08
  4. Step 4: Simplify right side
    207,732.56x = 21,032,220,109.72
  5. Step 5: Solve for x
    x = 21,032,220,109.72/207,732.56
  6. Step 6: Final answer
    x = 101,246.62

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