Finding the Fourth Proportional to 2,862.18, 4,288.22 and 2,506.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,862.18 : 4,288.22 = 2,506.82 : x
2. Step 2: Convert to fraction form
   2,862.18/4,288.22 = 2,506.82/x
3. Step 3: Cross multiply
   2,862.18x = 4,288.22 × 2,506.82
4. Step 4: Simplify right side
   2,862.18x = 10,749,787.17
5. Step 5: Solve for x
   x = 10,749,787.17/2,862.18
6. Step 6: Final answer
   x = 3,755.80