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Finding the Fourth Proportional to 358,736.80, 538,096.56 and 109,420.96

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Solution

The fourth proportional to 358,736.80, 538,096.56 and 109,420.96 is: 164,128.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,736.80 : 538,096.56 = 109,420.96 : x
  2. Step 2: Convert to fraction form
    358,736.80/538,096.56 = 109,420.96/x
  3. Step 3: Cross multiply
    358,736.80x = 538,096.56 × 109,420.96
  4. Step 4: Simplify right side
    358,736.80x = 58,879,042,167.90
  5. Step 5: Solve for x
    x = 58,879,042,167.90/358,736.80
  6. Step 6: Final answer
    x = 164,128.80

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