Finding the Fourth Proportional to 9,525.60, 13,142.16 and 5,543.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,525.60 : 13,142.16 = 5,543.52 : x
2. Step 2: Convert to fraction form
   9,525.60/13,142.16 = 5,543.52/x
3. Step 3: Cross multiply
   9,525.60x = 13,142.16 × 5,543.52
4. Step 4: Simplify right side
   9,525.60x = 72,853,826.80
5. Step 5: Solve for x
   x = 72,853,826.80/9,525.60
6. Step 6: Final answer
   x = 7,648.21