Finding the Fourth Proportional to 1,951.78, 2,912.72 and 1,744.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,951.78 : 2,912.72 = 1,744.02 : x
2. Step 2: Convert to fraction form
   1,951.78/2,912.72 = 1,744.02/x
3. Step 3: Cross multiply
   1,951.78x = 2,912.72 × 1,744.02
4. Step 4: Simplify right side
   1,951.78x = 5,079,841.93
5. Step 5: Solve for x
   x = 5,079,841.93/1,951.78
6. Step 6: Final answer
   x = 2,602.67