Finding the Fourth Proportional to 9,520.46, 13,139.84 and 5,543.91

Step by Step Solution

1. Step 1: Write the proportion equation
   9,520.46 : 13,139.84 = 5,543.91 : x
2. Step 2: Convert to fraction form
   9,520.46/13,139.84 = 5,543.91/x
3. Step 3: Cross multiply
   9,520.46x = 13,139.84 × 5,543.91
4. Step 4: Simplify right side
   9,520.46x = 72,846,062.65
5. Step 5: Solve for x
   x = 72,846,062.65/9,520.46
6. Step 6: Final answer
   x = 7,651.53