Finding the Fourth Proportional to 2,456.48, 3,677.12 and 2,106.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456.48 : 3,677.12 = 2,106.56 : x
2. Step 2: Convert to fraction form
   2,456.48/3,677.12 = 2,106.56/x
3. Step 3: Cross multiply
   2,456.48x = 3,677.12 × 2,106.56
4. Step 4: Simplify right side
   2,456.48x = 7,746,073.91
5. Step 5: Solve for x
   x = 7,746,073.91/2,456.48
6. Step 6: Final answer
   x = 3,153.32