Finding the Fourth Proportional to 2,941.46, 4,411.49 and 861.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,941.46 : 4,411.49 = 861.02 : x
2. Step 2: Convert to fraction form
   2,941.46/4,411.49 = 861.02/x
3. Step 3: Cross multiply
   2,941.46x = 4,411.49 × 861.02
4. Step 4: Simplify right side
   2,941.46x = 3,798,394.30
5. Step 5: Solve for x
   x = 3,798,394.30/2,941.46
6. Step 6: Final answer
   x = 1,291.33