Finding the Fourth Proportional to 11,084.45, 16,617.32 and 5,158.28

Step by Step Solution

1. Step 1: Write the proportion equation
   11,084.45 : 16,617.32 = 5,158.28 : x
2. Step 2: Convert to fraction form
   11,084.45/16,617.32 = 5,158.28/x
3. Step 3: Cross multiply
   11,084.45x = 16,617.32 × 5,158.28
4. Step 4: Simplify right side
   11,084.45x = 85,716,784.39
5. Step 5: Solve for x
   x = 85,716,784.39/11,084.45
6. Step 6: Final answer
   x = 7,733.06