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Finding the Fourth Proportional to 256,683.27, 384,704.13 and 123,527.79

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Solution

The fourth proportional to 256,683.27, 384,704.13 and 123,527.79 is: 185,137.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,683.27 : 384,704.13 = 123,527.79 : x
  2. Step 2: Convert to fraction form
    256,683.27/384,704.13 = 123,527.79/x
  3. Step 3: Cross multiply
    256,683.27x = 384,704.13 × 123,527.79
  4. Step 4: Simplify right side
    256,683.27x = 47,521,650,982.77
  5. Step 5: Solve for x
    x = 47,521,650,982.77/256,683.27
  6. Step 6: Final answer
    x = 185,137.31

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