Finding the Fourth Proportional to 9,796.31, 13,521.26 and 5,606.99

Step by Step Solution

1. Step 1: Write the proportion equation
   9,796.31 : 13,521.26 = 5,606.99 : x
2. Step 2: Convert to fraction form
   9,796.31/13,521.26 = 5,606.99/x
3. Step 3: Cross multiply
   9,796.31x = 13,521.26 × 5,606.99
4. Step 4: Simplify right side
   9,796.31x = 75,813,569.61
5. Step 5: Solve for x
   x = 75,813,569.61/9,796.31
6. Step 6: Final answer
   x = 7,738.99