Finding the Fourth Proportional to 2,198.96, 3,297.86 and 900.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,198.96 : 3,297.86 = 900.18 : x
2. Step 2: Convert to fraction form
   2,198.96/3,297.86 = 900.18/x
3. Step 3: Cross multiply
   2,198.96x = 3,297.86 × 900.18
4. Step 4: Simplify right side
   2,198.96x = 2,968,667.61
5. Step 5: Solve for x
   x = 2,968,667.61/2,198.96
6. Step 6: Final answer
   x = 1,350.03