Finding the Fourth Proportional to 5,517.59, 8,280.02 and 2,596.12

Step by Step Solution

1. Step 1: Write the proportion equation
   5,517.59 : 8,280.02 = 2,596.12 : x
2. Step 2: Convert to fraction form
   5,517.59/8,280.02 = 2,596.12/x
3. Step 3: Cross multiply
   5,517.59x = 8,280.02 × 2,596.12
4. Step 4: Simplify right side
   5,517.59x = 21,495,904.82
5. Step 5: Solve for x
   x = 21,495,904.82/5,517.59
6. Step 6: Final answer
   x = 3,895.89