Finding the Fourth Proportional to 2,847.88, 3,929.88 and 2,259.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,847.88 : 3,929.88 = 2,259.82 : x
2. Step 2: Convert to fraction form
   2,847.88/3,929.88 = 2,259.82/x
3. Step 3: Cross multiply
   2,847.88x = 3,929.88 × 2,259.82
4. Step 4: Simplify right side
   2,847.88x = 8,880,821.42
5. Step 5: Solve for x
   x = 8,880,821.42/2,847.88
6. Step 6: Final answer
   x = 3,118.40