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Finding the Fourth Proportional to 198,667.85, 298,001.78 and 58,426.48

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Solution

The fourth proportional to 198,667.85, 298,001.78 and 58,426.48 is: 87,639.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,667.85 : 298,001.78 = 58,426.48 : x
  2. Step 2: Convert to fraction form
    198,667.85/298,001.78 = 58,426.48/x
  3. Step 3: Cross multiply
    198,667.85x = 298,001.78 × 58,426.48
  4. Step 4: Simplify right side
    198,667.85x = 17,411,193,256.99
  5. Step 5: Solve for x
    x = 17,411,193,256.99/198,667.85
  6. Step 6: Final answer
    x = 87,639.71

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