Finding the Fourth Proportional to 11,410.88, 15,738.32 and 9,820.17

Step by Step Solution

1. Step 1: Write the proportion equation
   11,410.88 : 15,738.32 = 9,820.17 : x
2. Step 2: Convert to fraction form
   11,410.88/15,738.32 = 9,820.17/x
3. Step 3: Cross multiply
   11,410.88x = 15,738.32 × 9,820.17
4. Step 4: Simplify right side
   11,410.88x = 154,552,928.81
5. Step 5: Solve for x
   x = 154,552,928.81/11,410.88
6. Step 6: Final answer
   x = 13,544.35