Finding the Fourth Proportional to 8,132.24, 12,191.16 and 3,512.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,132.24 : 12,191.16 = 3,512.72 : x
2. Step 2: Convert to fraction form
   8,132.24/12,191.16 = 3,512.72/x
3. Step 3: Cross multiply
   8,132.24x = 12,191.16 × 3,512.72
4. Step 4: Simplify right side
   8,132.24x = 42,824,131.56
5. Step 5: Solve for x
   x = 42,824,131.56/8,132.24
6. Step 6: Final answer
   x = 5,265.97