Finding the Fourth Proportional to 2,525.55, 3,785.88 and 881.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,525.55 : 3,785.88 = 881.67 : x
2. Step 2: Convert to fraction form
   2,525.55/3,785.88 = 881.67/x
3. Step 3: Cross multiply
   2,525.55x = 3,785.88 × 881.67
4. Step 4: Simplify right side
   2,525.55x = 3,337,896.82
5. Step 5: Solve for x
   x = 3,337,896.82/2,525.55
6. Step 6: Final answer
   x = 1,321.65