Finding the Fourth Proportional to 8,088.73, 12,113.96 and 5,158.15

Step by Step Solution

1. Step 1: Write the proportion equation
   8,088.73 : 12,113.96 = 5,158.15 : x
2. Step 2: Convert to fraction form
   8,088.73/12,113.96 = 5,158.15/x
3. Step 3: Cross multiply
   8,088.73x = 12,113.96 × 5,158.15
4. Step 4: Simplify right side
   8,088.73x = 62,485,566.70
5. Step 5: Solve for x
   x = 62,485,566.70/8,088.73
6. Step 6: Final answer
   x = 7,725.02