Finding the Fourth Proportional to 3,540.86, 4,886.88 and 2,549.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,540.86 : 4,886.88 = 2,549.42 : x
2. Step 2: Convert to fraction form
   3,540.86/4,886.88 = 2,549.42/x
3. Step 3: Cross multiply
   3,540.86x = 4,886.88 × 2,549.42
4. Step 4: Simplify right side
   3,540.86x = 12,458,709.61
5. Step 5: Solve for x
   x = 12,458,709.61/3,540.86
6. Step 6: Final answer
   x = 3,518.55