Finding the Fourth Proportional to 9,520.72, 13,141.88 and 5,543.08

Step by Step Solution

1. Step 1: Write the proportion equation
   9,520.72 : 13,141.88 = 5,543.08 : x
2. Step 2: Convert to fraction form
   9,520.72/13,141.88 = 5,543.08/x
3. Step 3: Cross multiply
   9,520.72x = 13,141.88 × 5,543.08
4. Step 4: Simplify right side
   9,520.72x = 72,846,492.19
5. Step 5: Solve for x
   x = 72,846,492.19/9,520.72
6. Step 6: Final answer
   x = 7,651.36