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Finding the Fourth Proportional to 117,728.40, 176,592.60 and 47,571.60

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Solution

The fourth proportional to 117,728.40, 176,592.60 and 47,571.60 is: 71,357.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,728.40 : 176,592.60 = 47,571.60 : x
  2. Step 2: Convert to fraction form
    117,728.40/176,592.60 = 47,571.60/x
  3. Step 3: Cross multiply
    117,728.40x = 176,592.60 × 47,571.60
  4. Step 4: Simplify right side
    117,728.40x = 8,400,792,530.16
  5. Step 5: Solve for x
    x = 8,400,792,530.16/117,728.40
  6. Step 6: Final answer
    x = 71,357.40

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