Finding the Fourth Proportional to 2,957.10, 4,434.10 and 876.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,957.10 : 4,434.10 = 876.82 : x
2. Step 2: Convert to fraction form
   2,957.10/4,434.10 = 876.82/x
3. Step 3: Cross multiply
   2,957.10x = 4,434.10 × 876.82
4. Step 4: Simplify right side
   2,957.10x = 3,887,892.59
5. Step 5: Solve for x
   x = 3,887,892.59/2,957.10
6. Step 6: Final answer
   x = 1,314.77