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Finding the Fourth Proportional to 396,006.56, 546,940.09 and 268,460.72

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Solution

The fourth proportional to 396,006.56, 546,940.09 and 268,460.72 is: 370,781.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,006.56 : 546,940.09 = 268,460.72 : x
  2. Step 2: Convert to fraction form
    396,006.56/546,940.09 = 268,460.72/x
  3. Step 3: Cross multiply
    396,006.56x = 546,940.09 × 268,460.72
  4. Step 4: Simplify right side
    396,006.56x = 146,831,930,358.27
  5. Step 5: Solve for x
    x = 146,831,930,358.27/396,006.56
  6. Step 6: Final answer
    x = 370,781.56

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