Finding the Fourth Proportional to 10,792.19, 16,158.18 and 5,515.85

Step by Step Solution

1. Step 1: Write the proportion equation
   10,792.19 : 16,158.18 = 5,515.85 : x
2. Step 2: Convert to fraction form
   10,792.19/16,158.18 = 5,515.85/x
3. Step 3: Cross multiply
   10,792.19x = 16,158.18 × 5,515.85
4. Step 4: Simplify right side
   10,792.19x = 89,126,097.15
5. Step 5: Solve for x
   x = 89,126,097.15/10,792.19
6. Step 6: Final answer
   x = 8,258.39