Finding the Fourth Proportional to 9,520.63, 13,139.83 and 5,543.93

Step by Step Solution

1. Step 1: Write the proportion equation
   9,520.63 : 13,139.83 = 5,543.93 : x
2. Step 2: Convert to fraction form
   9,520.63/13,139.83 = 5,543.93/x
3. Step 3: Cross multiply
   9,520.63x = 13,139.83 × 5,543.93
4. Step 4: Simplify right side
   9,520.63x = 72,846,297.73
5. Step 5: Solve for x
   x = 72,846,297.73/9,520.63
6. Step 6: Final answer
   x = 7,651.42