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Finding the Fourth Proportional to 312,423.30, 468,538.04 and 112,717.74

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Solution

The fourth proportional to 312,423.30, 468,538.04 and 112,717.74 is: 169,041.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,423.30 : 468,538.04 = 112,717.74 : x
  2. Step 2: Convert to fraction form
    312,423.30/468,538.04 = 112,717.74/x
  3. Step 3: Cross multiply
    312,423.30x = 468,538.04 × 112,717.74
  4. Step 4: Simplify right side
    312,423.30x = 52,812,548,972.83
  5. Step 5: Solve for x
    x = 52,812,548,972.83/312,423.30
  6. Step 6: Final answer
    x = 169,041.65

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