Finding the Fourth Proportional to 2,833.84, 3,902.88 and 2,440.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,833.84 : 3,902.88 = 2,440.72 : x
2. Step 2: Convert to fraction form
   2,833.84/3,902.88 = 2,440.72/x
3. Step 3: Cross multiply
   2,833.84x = 3,902.88 × 2,440.72
4. Step 4: Simplify right side
   2,833.84x = 9,525,837.27
5. Step 5: Solve for x
   x = 9,525,837.27/2,833.84
6. Step 6: Final answer
   x = 3,361.46