Finding the Fourth Proportional to 3,659.86, 5,049.33 and 2,540.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,659.86 : 5,049.33 = 2,540.50 : x
2. Step 2: Convert to fraction form
   3,659.86/5,049.33 = 2,540.50/x
3. Step 3: Cross multiply
   3,659.86x = 5,049.33 × 2,540.50
4. Step 4: Simplify right side
   3,659.86x = 12,827,822.87
5. Step 5: Solve for x
   x = 12,827,822.87/3,659.86
6. Step 6: Final answer
   x = 3,505.00