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Finding the Fourth Proportional to 171,908.70, 257,863.05 and 108,923.10

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Solution

The fourth proportional to 171,908.70, 257,863.05 and 108,923.10 is: 163,384.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,908.70 : 257,863.05 = 108,923.10 : x
  2. Step 2: Convert to fraction form
    171,908.70/257,863.05 = 108,923.10/x
  3. Step 3: Cross multiply
    171,908.70x = 257,863.05 × 108,923.10
  4. Step 4: Simplify right side
    171,908.70x = 28,087,242,781.46
  5. Step 5: Solve for x
    x = 28,087,242,781.46/171,908.70
  6. Step 6: Final answer
    x = 163,384.65

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