Finding the Fourth Proportional to 2,300.32, 3,449.64 and 839.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,300.32 : 3,449.64 = 839.04 : x
2. Step 2: Convert to fraction form
   2,300.32/3,449.64 = 839.04/x
3. Step 3: Cross multiply
   2,300.32x = 3,449.64 × 839.04
4. Step 4: Simplify right side
   2,300.32x = 2,894,385.95
5. Step 5: Solve for x
   x = 2,894,385.95/2,300.32
6. Step 6: Final answer
   x = 1,258.25