Finding the Fourth Proportional to 2,542.22, 3,812.81 and 898.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,542.22 : 3,812.81 = 898.83 : x
2. Step 2: Convert to fraction form
   2,542.22/3,812.81 = 898.83/x
3. Step 3: Cross multiply
   2,542.22x = 3,812.81 × 898.83
4. Step 4: Simplify right side
   2,542.22x = 3,427,063.52
5. Step 5: Solve for x
   x = 3,427,063.52/2,542.22
6. Step 6: Final answer
   x = 1,348.06