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Finding the Fourth Proportional to 312,612.72, 468,917.52 and 75,956.08

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Solution

The fourth proportional to 312,612.72, 468,917.52 and 75,956.08 is: 113,933.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,612.72 : 468,917.52 = 75,956.08 : x
  2. Step 2: Convert to fraction form
    312,612.72/468,917.52 = 75,956.08/x
  3. Step 3: Cross multiply
    312,612.72x = 468,917.52 × 75,956.08
  4. Step 4: Simplify right side
    312,612.72x = 35,617,136,662.52
  5. Step 5: Solve for x
    x = 35,617,136,662.52/312,612.72
  6. Step 6: Final answer
    x = 113,933.74

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