Finding the Fourth Proportional to 2,242.89, 3,095.15 and 1,248.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,242.89 : 3,095.15 = 1,248.12 : x
2. Step 2: Convert to fraction form
   2,242.89/3,095.15 = 1,248.12/x
3. Step 3: Cross multiply
   2,242.89x = 3,095.15 × 1,248.12
4. Step 4: Simplify right side
   2,242.89x = 3,863,112.38
5. Step 5: Solve for x
   x = 3,863,112.38/2,242.89
6. Step 6: Final answer
   x = 1,722.38