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Finding the Fourth Proportional to 365,616.42, 548,423.55 and 128,902.02

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Solution

The fourth proportional to 365,616.42, 548,423.55 and 128,902.02 is: 193,352.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,616.42 : 548,423.55 = 128,902.02 : x
  2. Step 2: Convert to fraction form
    365,616.42/548,423.55 = 128,902.02/x
  3. Step 3: Cross multiply
    365,616.42x = 548,423.55 × 128,902.02
  4. Step 4: Simplify right side
    365,616.42x = 70,692,903,410.57
  5. Step 5: Solve for x
    x = 70,692,903,410.57/365,616.42
  6. Step 6: Final answer
    x = 193,352.65

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