Finding the Fourth Proportional to 9,791.25, 13,511.94 and 5,599.59

Step by Step Solution

1. Step 1: Write the proportion equation
   9,791.25 : 13,511.94 = 5,599.59 : x
2. Step 2: Convert to fraction form
   9,791.25/13,511.94 = 5,599.59/x
3. Step 3: Cross multiply
   9,791.25x = 13,511.94 × 5,599.59
4. Step 4: Simplify right side
   9,791.25x = 75,661,324.10
5. Step 5: Solve for x
   x = 75,661,324.10/9,791.25
6. Step 6: Final answer
   x = 7,727.44