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Finding the Fourth Proportional to 60,772.80, 91,159.20 and 55,329.60

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Solution

The fourth proportional to 60,772.80, 91,159.20 and 55,329.60 is: 82,994.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,772.80 : 91,159.20 = 55,329.60 : x
  2. Step 2: Convert to fraction form
    60,772.80/91,159.20 = 55,329.60/x
  3. Step 3: Cross multiply
    60,772.80x = 91,159.20 × 55,329.60
  4. Step 4: Simplify right side
    60,772.80x = 5,043,802,072.32
  5. Step 5: Solve for x
    x = 5,043,802,072.32/60,772.80
  6. Step 6: Final answer
    x = 82,994.40

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