Finding the Fourth Proportional to 9,791.99, 13,513.53 and 5,543.44

Step by Step Solution

1. Step 1: Write the proportion equation
   9,791.99 : 13,513.53 = 5,543.44 : x
2. Step 2: Convert to fraction form
   9,791.99/13,513.53 = 5,543.44/x
3. Step 3: Cross multiply
   9,791.99x = 13,513.53 × 5,543.44
4. Step 4: Simplify right side
   9,791.99x = 74,911,429.75
5. Step 5: Solve for x
   x = 74,911,429.75/9,791.99
6. Step 6: Final answer
   x = 7,650.28