Finding the Fourth Proportional to 2,248.89, 3,372.51 and 862.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,248.89 : 3,372.51 = 862.17 : x
2. Step 2: Convert to fraction form
   2,248.89/3,372.51 = 862.17/x
3. Step 3: Cross multiply
   2,248.89x = 3,372.51 × 862.17
4. Step 4: Simplify right side
   2,248.89x = 2,907,676.95
5. Step 5: Solve for x
   x = 2,907,676.95/2,248.89
6. Step 6: Final answer
   x = 1,292.94