Finding the Fourth Proportional to 2,942.51, 4,414.37 and 862.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,942.51 : 4,414.37 = 862.58 : x
2. Step 2: Convert to fraction form
   2,942.51/4,414.37 = 862.58/x
3. Step 3: Cross multiply
   2,942.51x = 4,414.37 × 862.58
4. Step 4: Simplify right side
   2,942.51x = 3,807,761.28
5. Step 5: Solve for x
   x = 3,807,761.28/2,942.51
6. Step 6: Final answer
   x = 1,294.05