Finding the Fourth Proportional to 2,635.31, 3,952.52 and 880.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,635.31 : 3,952.52 = 880.32 : x
2. Step 2: Convert to fraction form
   2,635.31/3,952.52 = 880.32/x
3. Step 3: Cross multiply
   2,635.31x = 3,952.52 × 880.32
4. Step 4: Simplify right side
   2,635.31x = 3,479,478.00
5. Step 5: Solve for x
   x = 3,479,478.00/2,635.31
6. Step 6: Final answer
   x = 1,320.33