Finding the Fourth Proportional to 2,440.72, 3,643.38 and 2,269.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,440.72 : 3,643.38 = 2,269.82 : x
2. Step 2: Convert to fraction form
   2,440.72/3,643.38 = 2,269.82/x
3. Step 3: Cross multiply
   2,440.72x = 3,643.38 × 2,269.82
4. Step 4: Simplify right side
   2,440.72x = 8,269,816.79
5. Step 5: Solve for x
   x = 8,269,816.79/2,440.72
6. Step 6: Final answer
   x = 3,388.27