Finding the Fourth Proportional to 2,957.56, 4,434.98 and 876.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,957.56 : 4,434.98 = 876.83 : x
2. Step 2: Convert to fraction form
   2,957.56/4,434.98 = 876.83/x
3. Step 3: Cross multiply
   2,957.56x = 4,434.98 × 876.83
4. Step 4: Simplify right side
   2,957.56x = 3,888,696.95
5. Step 5: Solve for x
   x = 3,888,696.95/2,957.56
6. Step 6: Final answer
   x = 1,314.83