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Finding the Fourth Proportional to 354,957.79, 489,861.61 and 193,827.80

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Solution

The fourth proportional to 354,957.79, 489,861.61 and 193,827.80 is: 267,493.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,957.79 : 489,861.61 = 193,827.80 : x
  2. Step 2: Convert to fraction form
    354,957.79/489,861.61 = 193,827.80/x
  3. Step 3: Cross multiply
    354,957.79x = 489,861.61 × 193,827.80
  4. Step 4: Simplify right side
    354,957.79x = 94,948,798,170.76
  5. Step 5: Solve for x
    x = 94,948,798,170.76/354,957.79
  6. Step 6: Final answer
    x = 267,493.21

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