Finding the Fourth Proportional to 9,131.76, 13,700.16 and 3,288.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,131.76 : 13,700.16 = 3,288.24 : x
2. Step 2: Convert to fraction form
   9,131.76/13,700.16 = 3,288.24/x
3. Step 3: Cross multiply
   9,131.76x = 13,700.16 × 3,288.24
4. Step 4: Simplify right side
   9,131.76x = 45,049,414.12
5. Step 5: Solve for x
   x = 45,049,414.12/9,131.76
6. Step 6: Final answer
   x = 4,933.27