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Finding the Fourth Proportional to 417,942.57, 576,767.61 and 236,649.72

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Solution

The fourth proportional to 417,942.57, 576,767.61 and 236,649.72 is: 326,580.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,942.57 : 576,767.61 = 236,649.72 : x
  2. Step 2: Convert to fraction form
    417,942.57/576,767.61 = 236,649.72/x
  3. Step 3: Cross multiply
    417,942.57x = 576,767.61 × 236,649.72
  4. Step 4: Simplify right side
    417,942.57x = 136,491,893,411.57
  5. Step 5: Solve for x
    x = 136,491,893,411.57/417,942.57
  6. Step 6: Final answer
    x = 326,580.50

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