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Finding the Fourth Proportional to 118,596.78, 163,664.78 and 64,880.62

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Solution

The fourth proportional to 118,596.78, 163,664.78 and 64,880.62 is: 89,535.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,596.78 : 163,664.78 = 64,880.62 : x
  2. Step 2: Convert to fraction form
    118,596.78/163,664.78 = 64,880.62/x
  3. Step 3: Cross multiply
    118,596.78x = 163,664.78 × 64,880.62
  4. Step 4: Simplify right side
    118,596.78x = 10,618,672,398.56
  5. Step 5: Solve for x
    x = 10,618,672,398.56/118,596.78
  6. Step 6: Final answer
    x = 89,535.92

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