Finding the Fourth Proportional to 9,790.47, 13,510.86 and 5,598.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,790.47 : 13,510.86 = 5,598.72 : x
2. Step 2: Convert to fraction form
   9,790.47/13,510.86 = 5,598.72/x
3. Step 3: Cross multiply
   9,790.47x = 13,510.86 × 5,598.72
4. Step 4: Simplify right side
   9,790.47x = 75,643,522.10
5. Step 5: Solve for x
   x = 75,643,522.10/9,790.47
6. Step 6: Final answer
   x = 7,726.24