Finding the Fourth Proportional to 2,711.29, 4,065.41 and 1,248.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,711.29 : 4,065.41 = 1,248.63 : x
2. Step 2: Convert to fraction form
   2,711.29/4,065.41 = 1,248.63/x
3. Step 3: Cross multiply
   2,711.29x = 4,065.41 × 1,248.63
4. Step 4: Simplify right side
   2,711.29x = 5,076,192.89
5. Step 5: Solve for x
   x = 5,076,192.89/2,711.29
6. Step 6: Final answer
   x = 1,872.24