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Finding the Fourth Proportional to 295,311.10, 442,951.17 and 84,940.78

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Solution

The fourth proportional to 295,311.10, 442,951.17 and 84,940.78 is: 127,406.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,311.10 : 442,951.17 = 84,940.78 : x
  2. Step 2: Convert to fraction form
    295,311.10/442,951.17 = 84,940.78/x
  3. Step 3: Cross multiply
    295,311.10x = 442,951.17 × 84,940.78
  4. Step 4: Simplify right side
    295,311.10x = 37,624,617,881.71
  5. Step 5: Solve for x
    x = 37,624,617,881.71/295,311.10
  6. Step 6: Final answer
    x = 127,406.72

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