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Finding the Fourth Proportional to 365,787.60, 547,612.20 and 260,811.60

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Solution

The fourth proportional to 365,787.60, 547,612.20 and 260,811.60 is: 390,455.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,787.60 : 547,612.20 = 260,811.60 : x
  2. Step 2: Convert to fraction form
    365,787.60/547,612.20 = 260,811.60/x
  3. Step 3: Cross multiply
    365,787.60x = 547,612.20 × 260,811.60
  4. Step 4: Simplify right side
    365,787.60x = 142,823,614,061.52
  5. Step 5: Solve for x
    x = 142,823,614,061.52/365,787.60
  6. Step 6: Final answer
    x = 390,455.05

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