Finding the Fourth Proportional to 2,512.74, 3,772.56 and 1,280.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,512.74 : 3,772.56 = 1,280.98 : x
2. Step 2: Convert to fraction form
   2,512.74/3,772.56 = 1,280.98/x
3. Step 3: Cross multiply
   2,512.74x = 3,772.56 × 1,280.98
4. Step 4: Simplify right side
   2,512.74x = 4,832,573.91
5. Step 5: Solve for x
   x = 4,832,573.91/2,512.74
6. Step 6: Final answer
   x = 1,923.23