Finding the Fourth Proportional to 2,932.12, 4,398.06 and 880.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,932.12 : 4,398.06 = 880.12 : x
2. Step 2: Convert to fraction form
   2,932.12/4,398.06 = 880.12/x
3. Step 3: Cross multiply
   2,932.12x = 4,398.06 × 880.12
4. Step 4: Simplify right side
   2,932.12x = 3,870,820.57
5. Step 5: Solve for x
   x = 3,870,820.57/2,932.12
6. Step 6: Final answer
   x = 1,320.14