Finding the Fourth Proportional to 2,524.96, 3,787.72 and 881.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,524.96 : 3,787.72 = 881.20 : x
2. Step 2: Convert to fraction form
   2,524.96/3,787.72 = 881.20/x
3. Step 3: Cross multiply
   2,524.96x = 3,787.72 × 881.20
4. Step 4: Simplify right side
   2,524.96x = 3,337,738.86
5. Step 5: Solve for x
   x = 3,337,738.86/2,524.96
6. Step 6: Final answer
   x = 1,321.90