Finding the Fourth Proportional to 2,162.68, 3,243.36 and 930.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,162.68 : 3,243.36 = 930.04 : x
2. Step 2: Convert to fraction form
   2,162.68/3,243.36 = 930.04/x
3. Step 3: Cross multiply
   2,162.68x = 3,243.36 × 930.04
4. Step 4: Simplify right side
   2,162.68x = 3,016,454.53
5. Step 5: Solve for x
   x = 3,016,454.53/2,162.68
6. Step 6: Final answer
   x = 1,394.78