Finding the Fourth Proportional to 2,525.31, 3,787.70 and 881.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,525.31 : 3,787.70 = 881.89 : x
2. Step 2: Convert to fraction form
   2,525.31/3,787.70 = 881.89/x
3. Step 3: Cross multiply
   2,525.31x = 3,787.70 × 881.89
4. Step 4: Simplify right side
   2,525.31x = 3,340,334.75
5. Step 5: Solve for x
   x = 3,340,334.75/2,525.31
6. Step 6: Final answer
   x = 1,322.74