Finding the Fourth Proportional to 2,523.34, 3,785.55 and 881.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,523.34 : 3,785.55 = 881.20 : x
2. Step 2: Convert to fraction form
   2,523.34/3,785.55 = 881.20/x
3. Step 3: Cross multiply
   2,523.34x = 3,785.55 × 881.20
4. Step 4: Simplify right side
   2,523.34x = 3,335,826.66
5. Step 5: Solve for x
   x = 3,335,826.66/2,523.34
6. Step 6: Final answer
   x = 1,321.99