Finding the Fourth Proportional to 2,957.42, 4,452.52 and 2,612.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,957.42 : 4,452.52 = 2,612.72 : x
2. Step 2: Convert to fraction form
   2,957.42/4,452.52 = 2,612.72/x
3. Step 3: Cross multiply
   2,957.42x = 4,452.52 × 2,612.72
4. Step 4: Simplify right side
   2,957.42x = 11,633,188.05
5. Step 5: Solve for x
   x = 11,633,188.05/2,957.42
6. Step 6: Final answer
   x = 3,933.56