Finding the Fourth Proportional to 2,274.78, 3,411.54 and 630.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,274.78 : 3,411.54 = 630.94 : x
2. Step 2: Convert to fraction form
   2,274.78/3,411.54 = 630.94/x
3. Step 3: Cross multiply
   2,274.78x = 3,411.54 × 630.94
4. Step 4: Simplify right side
   2,274.78x = 2,152,476.69
5. Step 5: Solve for x
   x = 2,152,476.69/2,274.78
6. Step 6: Final answer
   x = 946.23