Finding the Fourth Proportional to 2,300.88, 3,452.35 and 839.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,300.88 : 3,452.35 = 839.69 : x
2. Step 2: Convert to fraction form
   2,300.88/3,452.35 = 839.69/x
3. Step 3: Cross multiply
   2,300.88x = 3,452.35 × 839.69
4. Step 4: Simplify right side
   2,300.88x = 2,898,906.28
5. Step 5: Solve for x
   x = 2,898,906.28/2,300.88
6. Step 6: Final answer
   x = 1,259.91