Finding the Fourth Proportional to 3,669.18, 5,061.33 and 2,340.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,669.18 : 5,061.33 = 2,340.78 : x
2. Step 2: Convert to fraction form
   3,669.18/5,061.33 = 2,340.78/x
3. Step 3: Cross multiply
   3,669.18x = 5,061.33 × 2,340.78
4. Step 4: Simplify right side
   3,669.18x = 11,847,460.04
5. Step 5: Solve for x
   x = 11,847,460.04/3,669.18
6. Step 6: Final answer
   x = 3,228.91