Finding the Fourth Proportional to 2,525.40, 3,787.18 and 881.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,525.40 : 3,787.18 = 881.48 : x
2. Step 2: Convert to fraction form
   2,525.40/3,787.18 = 881.48/x
3. Step 3: Cross multiply
   2,525.40x = 3,787.18 × 881.48
4. Step 4: Simplify right side
   2,525.40x = 3,338,323.43
5. Step 5: Solve for x
   x = 3,338,323.43/2,525.40
6. Step 6: Final answer
   x = 1,321.90