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Finding the Fourth Proportional to 117,428.66, 176,162.55 and 38,521.70

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Solution

The fourth proportional to 117,428.66, 176,162.55 and 38,521.70 is: 57,788.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,428.66 : 176,162.55 = 38,521.70 : x
  2. Step 2: Convert to fraction form
    117,428.66/176,162.55 = 38,521.70/x
  3. Step 3: Cross multiply
    117,428.66x = 176,162.55 × 38,521.70
  4. Step 4: Simplify right side
    117,428.66x = 6,786,080,902.34
  5. Step 5: Solve for x
    x = 6,786,080,902.34/117,428.66
  6. Step 6: Final answer
    x = 57,788.97

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