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Finding the Fourth Proportional to 386,766.84, 580,148.52 and 120,527.58

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Solution

The fourth proportional to 386,766.84, 580,148.52 and 120,527.58 is: 180,790.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,766.84 : 580,148.52 = 120,527.58 : x
  2. Step 2: Convert to fraction form
    386,766.84/580,148.52 = 120,527.58/x
  3. Step 3: Cross multiply
    386,766.84x = 580,148.52 × 120,527.58
  4. Step 4: Simplify right side
    386,766.84x = 69,923,897,156.18
  5. Step 5: Solve for x
    x = 69,923,897,156.18/386,766.84
  6. Step 6: Final answer
    x = 180,790.83

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