Finding the Fourth Proportional to 9,791.98, 13,510.59 and 5,599.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,791.98 : 13,510.59 = 5,599.18 : x
2. Step 2: Convert to fraction form
   9,791.98/13,510.59 = 5,599.18/x
3. Step 3: Cross multiply
   9,791.98x = 13,510.59 × 5,599.18
4. Step 4: Simplify right side
   9,791.98x = 75,648,225.32
5. Step 5: Solve for x
   x = 75,648,225.32/9,791.98
6. Step 6: Final answer
   x = 7,725.53