Finding the Fourth Proportional to 9,082.82, 12,531.60 and 5,543.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,082.82 : 12,531.60 = 5,543.54 : x
2. Step 2: Convert to fraction form
   9,082.82/12,531.60 = 5,543.54/x
3. Step 3: Cross multiply
   9,082.82x = 12,531.60 × 5,543.54
4. Step 4: Simplify right side
   9,082.82x = 69,469,425.86
5. Step 5: Solve for x
   x = 69,469,425.86/9,082.82
6. Step 6: Final answer
   x = 7,648.44