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Finding the Fourth Proportional to 321,930.74, 444,264.39 and 178,690.74

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Solution

The fourth proportional to 321,930.74, 444,264.39 and 178,690.74 is: 246,593.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,930.74 : 444,264.39 = 178,690.74 : x
  2. Step 2: Convert to fraction form
    321,930.74/444,264.39 = 178,690.74/x
  3. Step 3: Cross multiply
    321,930.74x = 444,264.39 × 178,690.74
  4. Step 4: Simplify right side
    321,930.74x = 79,385,932,604.75
  5. Step 5: Solve for x
    x = 79,385,932,604.75/321,930.74
  6. Step 6: Final answer
    x = 246,593.21

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