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Finding the Fourth Proportional to 305,236.55, 457,792.47 and 115,631.55

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Solution

The fourth proportional to 305,236.55, 457,792.47 and 115,631.55 is: 173,423.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,236.55 : 457,792.47 = 115,631.55 : x
  2. Step 2: Convert to fraction form
    305,236.55/457,792.47 = 115,631.55/x
  3. Step 3: Cross multiply
    305,236.55x = 457,792.47 × 115,631.55
  4. Step 4: Simplify right side
    305,236.55x = 52,935,252,306.27
  5. Step 5: Solve for x
    x = 52,935,252,306.27/305,236.55
  6. Step 6: Final answer
    x = 173,423.70

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