Finding the Fourth Proportional to 2,118.92, 3,174.06 and 885.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,118.92 : 3,174.06 = 885.83 : x
2. Step 2: Convert to fraction form
   2,118.92/3,174.06 = 885.83/x
3. Step 3: Cross multiply
   2,118.92x = 3,174.06 × 885.83
4. Step 4: Simplify right side
   2,118.92x = 2,811,677.57
5. Step 5: Solve for x
   x = 2,811,677.57/2,118.92
6. Step 6: Final answer
   x = 1,326.94