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Finding the Fourth Proportional to 545,793.80, 818,690.70 and 171,816.80

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Solution

The fourth proportional to 545,793.80, 818,690.70 and 171,816.80 is: 257,725.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,793.80 : 818,690.70 = 171,816.80 : x
  2. Step 2: Convert to fraction form
    545,793.80/818,690.70 = 171,816.80/x
  3. Step 3: Cross multiply
    545,793.80x = 818,690.70 × 171,816.80
  4. Step 4: Simplify right side
    545,793.80x = 140,664,816,263.76
  5. Step 5: Solve for x
    x = 140,664,816,263.76/545,793.80
  6. Step 6: Final answer
    x = 257,725.20

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