Finding the Fourth Proportional to 9,790.64, 13,511.46 and 5,598.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,790.64 : 13,511.46 = 5,598.88 : x
2. Step 2: Convert to fraction form
   9,790.64/13,511.46 = 5,598.88/x
3. Step 3: Cross multiply
   9,790.64x = 13,511.46 × 5,598.88
4. Step 4: Simplify right side
   9,790.64x = 75,649,043.16
5. Step 5: Solve for x
   x = 75,649,043.16/9,790.64
6. Step 6: Final answer
   x = 7,726.67