Finding the Fourth Proportional to 2,943.78, 4,061.16 and 1,935.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,943.78 : 4,061.16 = 1,935.18 : x
2. Step 2: Convert to fraction form
   2,943.78/4,061.16 = 1,935.18/x
3. Step 3: Cross multiply
   2,943.78x = 4,061.16 × 1,935.18
4. Step 4: Simplify right side
   2,943.78x = 7,859,075.61
5. Step 5: Solve for x
   x = 7,859,075.61/2,943.78
6. Step 6: Final answer
   x = 2,669.72