Finding the Fourth Proportional to 8,120.72, 12,177.24 and 3,736.88

Step by Step Solution

1. Step 1: Write the proportion equation
   8,120.72 : 12,177.24 = 3,736.88 : x
2. Step 2: Convert to fraction form
   8,120.72/12,177.24 = 3,736.88/x
3. Step 3: Cross multiply
   8,120.72x = 12,177.24 × 3,736.88
4. Step 4: Simplify right side
   8,120.72x = 45,504,884.61
5. Step 5: Solve for x
   x = 45,504,884.61/8,120.72
6. Step 6: Final answer
   x = 5,603.55