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Finding the Fourth Proportional to 384,716.61, 577,020.96 and 131,992.95

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Solution

The fourth proportional to 384,716.61, 577,020.96 and 131,992.95 is: 197,970.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,716.61 : 577,020.96 = 131,992.95 : x
  2. Step 2: Convert to fraction form
    384,716.61/577,020.96 = 131,992.95/x
  3. Step 3: Cross multiply
    384,716.61x = 577,020.96 × 131,992.95
  4. Step 4: Simplify right side
    384,716.61x = 76,162,698,722.23
  5. Step 5: Solve for x
    x = 76,162,698,722.23/384,716.61
  6. Step 6: Final answer
    x = 197,970.91

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