Finding the Fourth Proportional to 2,334.89, 3,501.20 and 833.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,334.89 : 3,501.20 = 833.40 : x
2. Step 2: Convert to fraction form
   2,334.89/3,501.20 = 833.40/x
3. Step 3: Cross multiply
   2,334.89x = 3,501.20 × 833.40
4. Step 4: Simplify right side
   2,334.89x = 2,917,902.16
5. Step 5: Solve for x
   x = 2,917,902.16/2,334.89
6. Step 6: Final answer
   x = 1,249.69