Finding the Fourth Proportional to 2,247.18, 3,099.90 and 1,362.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,247.18 : 3,099.90 = 1,362.79 : x
2. Step 2: Convert to fraction form
   2,247.18/3,099.90 = 1,362.79/x
3. Step 3: Cross multiply
   2,247.18x = 3,099.90 × 1,362.79
4. Step 4: Simplify right side
   2,247.18x = 4,224,512.72
5. Step 5: Solve for x
   x = 4,224,512.72/2,247.18
6. Step 6: Final answer
   x = 1,879.92