Finding the Fourth Proportional to 3,061.17, 4,222.78 and 1,940.13

Step by Step Solution

1. Step 1: Write the proportion equation
   3,061.17 : 4,222.78 = 1,940.13 : x
2. Step 2: Convert to fraction form
   3,061.17/4,222.78 = 1,940.13/x
3. Step 3: Cross multiply
   3,061.17x = 4,222.78 × 1,940.13
4. Step 4: Simplify right side
   3,061.17x = 8,192,737.31
5. Step 5: Solve for x
   x = 8,192,737.31/3,061.17
6. Step 6: Final answer
   x = 2,676.34