Finding the Fourth Proportional to 9,791.96, 13,511.61 and 5,543.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,791.96 : 13,511.61 = 5,543.24 : x
2. Step 2: Convert to fraction form
   9,791.96/13,511.61 = 5,543.24/x
3. Step 3: Cross multiply
   9,791.96x = 13,511.61 × 5,543.24
4. Step 4: Simplify right side
   9,791.96x = 74,898,029.46
5. Step 5: Solve for x
   x = 74,898,029.46/9,791.96
6. Step 6: Final answer
   x = 7,648.94