Finding the Fourth Proportional to 2,482.22, 3,722.18 and 838.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,482.22 : 3,722.18 = 838.33 : x
2. Step 2: Convert to fraction form
   2,482.22/3,722.18 = 838.33/x
3. Step 3: Cross multiply
   2,482.22x = 3,722.18 × 838.33
4. Step 4: Simplify right side
   2,482.22x = 3,120,401.66
5. Step 5: Solve for x
   x = 3,120,401.66/2,482.22
6. Step 6: Final answer
   x = 1,257.10