Finding the Fourth Proportional to 5,414.89, 8,118.41 and 3,655.52

Step by Step Solution

1. Step 1: Write the proportion equation
   5,414.89 : 8,118.41 = 3,655.52 : x
2. Step 2: Convert to fraction form
   5,414.89/8,118.41 = 3,655.52/x
3. Step 3: Cross multiply
   5,414.89x = 8,118.41 × 3,655.52
4. Step 4: Simplify right side
   5,414.89x = 29,677,010.12
5. Step 5: Solve for x
   x = 29,677,010.12/5,414.89
6. Step 6: Final answer
   x = 5,480.63