Finding the Fourth Proportional to 2,483.49, 3,722.91 and 838.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,483.49 : 3,722.91 = 838.88 : x
2. Step 2: Convert to fraction form
   2,483.49/3,722.91 = 838.88/x
3. Step 3: Cross multiply
   2,483.49x = 3,722.91 × 838.88
4. Step 4: Simplify right side
   2,483.49x = 3,123,086.15
5. Step 5: Solve for x
   x = 3,123,086.15/2,483.49
6. Step 6: Final answer
   x = 1,257.54