Finding the Fourth Proportional to 2,243.45, 3,359.82 and 1,778.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,243.45 : 3,359.82 = 1,778.15 : x
2. Step 2: Convert to fraction form
   2,243.45/3,359.82 = 1,778.15/x
3. Step 3: Cross multiply
   2,243.45x = 3,359.82 × 1,778.15
4. Step 4: Simplify right side
   2,243.45x = 5,974,263.93
5. Step 5: Solve for x
   x = 5,974,263.93/2,243.45
6. Step 6: Final answer
   x = 2,662.98