Finding the Fourth Proportional to 2,949.88, 4,403.72 and 2,847.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,949.88 : 4,403.72 = 2,847.40 : x
2. Step 2: Convert to fraction form
   2,949.88/4,403.72 = 2,847.40/x
3. Step 3: Cross multiply
   2,949.88x = 4,403.72 × 2,847.40
4. Step 4: Simplify right side
   2,949.88x = 12,539,152.33
5. Step 5: Solve for x
   x = 12,539,152.33/2,949.88
6. Step 6: Final answer
   x = 4,250.73