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Finding the Fourth Proportional to 163,578.80, 245,368.20 and 107,591.60

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Solution

The fourth proportional to 163,578.80, 245,368.20 and 107,591.60 is: 161,387.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,578.80 : 245,368.20 = 107,591.60 : x
  2. Step 2: Convert to fraction form
    163,578.80/245,368.20 = 107,591.60/x
  3. Step 3: Cross multiply
    163,578.80x = 245,368.20 × 107,591.60
  4. Step 4: Simplify right side
    163,578.80x = 26,399,557,227.12
  5. Step 5: Solve for x
    x = 26,399,557,227.12/163,578.80
  6. Step 6: Final answer
    x = 161,387.40

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