Finding the Fourth Proportional to 2,077.54, 3,096.50 and 1,960.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.54 : 3,096.50 = 1,960.78 : x
2. Step 2: Convert to fraction form
   2,077.54/3,096.50 = 1,960.78/x
3. Step 3: Cross multiply
   2,077.54x = 3,096.50 × 1,960.78
4. Step 4: Simplify right side
   2,077.54x = 6,071,555.27
5. Step 5: Solve for x
   x = 6,071,555.27/2,077.54
6. Step 6: Final answer
   x = 2,922.47