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Finding the Fourth Proportional to 331,936.80, 458,054.80 and 188,676.96

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Solution

The fourth proportional to 331,936.80, 458,054.80 and 188,676.96 is: 260,363.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,936.80 : 458,054.80 = 188,676.96 : x
  2. Step 2: Convert to fraction form
    331,936.80/458,054.80 = 188,676.96/x
  3. Step 3: Cross multiply
    331,936.80x = 458,054.80 × 188,676.96
  4. Step 4: Simplify right side
    331,936.80x = 86,424,387,177.41
  5. Step 5: Solve for x
    x = 86,424,387,177.41/331,936.80
  6. Step 6: Final answer
    x = 260,363.98

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