Finding the Fourth Proportional to 2,243.02, 3,095.31 and 1,248.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,243.02 : 3,095.31 = 1,248.31 : x
2. Step 2: Convert to fraction form
   2,243.02/3,095.31 = 1,248.31/x
3. Step 3: Cross multiply
   2,243.02x = 3,095.31 × 1,248.31
4. Step 4: Simplify right side
   2,243.02x = 3,863,906.43
5. Step 5: Solve for x
   x = 3,863,906.43/2,243.02
6. Step 6: Final answer
   x = 1,722.64