Finding the Fourth Proportional to 2,940.30, 4,411.79 and 1,274.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,940.30 : 4,411.79 = 1,274.93 : x
2. Step 2: Convert to fraction form
   2,940.30/4,411.79 = 1,274.93/x
3. Step 3: Cross multiply
   2,940.30x = 4,411.79 × 1,274.93
4. Step 4: Simplify right side
   2,940.30x = 5,624,723.42
5. Step 5: Solve for x
   x = 5,624,723.42/2,940.30
6. Step 6: Final answer
   x = 1,912.98