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Finding the Fourth Proportional to 104,912.40, 157,415.11 and 54,980.62

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Solution

The fourth proportional to 104,912.40, 157,415.11 and 54,980.62 is: 82,495.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,912.40 : 157,415.11 = 54,980.62 : x
  2. Step 2: Convert to fraction form
    104,912.40/157,415.11 = 54,980.62/x
  3. Step 3: Cross multiply
    104,912.40x = 157,415.11 × 54,980.62
  4. Step 4: Simplify right side
    104,912.40x = 8,654,780,345.17
  5. Step 5: Solve for x
    x = 8,654,780,345.17/104,912.40
  6. Step 6: Final answer
    x = 82,495.30

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