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Finding the Fourth Proportional to 330,586.60, 495,879.90 and 105,946.60

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Solution

The fourth proportional to 330,586.60, 495,879.90 and 105,946.60 is: 158,919.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,586.60 : 495,879.90 = 105,946.60 : x
  2. Step 2: Convert to fraction form
    330,586.60/495,879.90 = 105,946.60/x
  3. Step 3: Cross multiply
    330,586.60x = 495,879.90 × 105,946.60
  4. Step 4: Simplify right side
    330,586.60x = 52,536,789,413.34
  5. Step 5: Solve for x
    x = 52,536,789,413.34/330,586.60
  6. Step 6: Final answer
    x = 158,919.90

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