Finding the Fourth Proportional to 9,789.75, 13,510.67 and 5,598.81

Step by Step Solution

1. Step 1: Write the proportion equation
   9,789.75 : 13,510.67 = 5,598.81 : x
2. Step 2: Convert to fraction form
   9,789.75/13,510.67 = 5,598.81/x
3. Step 3: Cross multiply
   9,789.75x = 13,510.67 × 5,598.81
4. Step 4: Simplify right side
   9,789.75x = 75,643,646.31
5. Step 5: Solve for x
   x = 75,643,646.31/9,789.75
6. Step 6: Final answer
   x = 7,726.82