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Finding the Fourth Proportional to 103,640.70, 155,461.05 and 37,086.05

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Solution

The fourth proportional to 103,640.70, 155,461.05 and 37,086.05 is: 55,629.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,640.70 : 155,461.05 = 37,086.05 : x
  2. Step 2: Convert to fraction form
    103,640.70/155,461.05 = 37,086.05/x
  3. Step 3: Cross multiply
    103,640.70x = 155,461.05 × 37,086.05
  4. Step 4: Simplify right side
    103,640.70x = 5,765,436,273.35
  5. Step 5: Solve for x
    x = 5,765,436,273.35/103,640.70
  6. Step 6: Final answer
    x = 55,629.08

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