Finding the Fourth Proportional to 1,274.92, 1,910.34 and 1,079.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,274.92 : 1,910.34 = 1,079.10 : x
2. Step 2: Convert to fraction form
   1,274.92/1,910.34 = 1,079.10/x
3. Step 3: Cross multiply
   1,274.92x = 1,910.34 × 1,079.10
4. Step 4: Simplify right side
   1,274.92x = 2,061,447.89
5. Step 5: Solve for x
   x = 2,061,447.89/1,274.92
6. Step 6: Final answer
   x = 1,616.92