Finding the Fourth Proportional to 5,008.55, 7,513.51 and 2,086.17

Step by Step Solution

1. Step 1: Write the proportion equation
   5,008.55 : 7,513.51 = 2,086.17 : x
2. Step 2: Convert to fraction form
   5,008.55/7,513.51 = 2,086.17/x
3. Step 3: Cross multiply
   5,008.55x = 7,513.51 × 2,086.17
4. Step 4: Simplify right side
   5,008.55x = 15,674,471.94
5. Step 5: Solve for x
   x = 15,674,471.94/5,008.55
6. Step 6: Final answer
   x = 3,129.54