Finding the Fourth Proportional to 2,957.82, 4,411.74 and 2,786.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,957.82 : 4,411.74 = 2,786.52 : x
2. Step 2: Convert to fraction form
   2,957.82/4,411.74 = 2,786.52/x
3. Step 3: Cross multiply
   2,957.82x = 4,411.74 × 2,786.52
4. Step 4: Simplify right side
   2,957.82x = 12,293,401.74
5. Step 5: Solve for x
   x = 12,293,401.74/2,957.82
6. Step 6: Final answer
   x = 4,156.24