Finding the Fourth Proportional to 2,558.46, 3,837.52 and 998.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,558.46 : 3,837.52 = 998.18 : x
2. Step 2: Convert to fraction form
   2,558.46/3,837.52 = 998.18/x
3. Step 3: Cross multiply
   2,558.46x = 3,837.52 × 998.18
4. Step 4: Simplify right side
   2,558.46x = 3,830,511.54
5. Step 5: Solve for x
   x = 3,830,511.54/2,558.46
6. Step 6: Final answer
   x = 1,497.19