Finding the Fourth Proportional to 2,721.89, 4,081.01 and 1,260.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,721.89 : 4,081.01 = 1,260.24 : x
2. Step 2: Convert to fraction form
   2,721.89/4,081.01 = 1,260.24/x
3. Step 3: Cross multiply
   2,721.89x = 4,081.01 × 1,260.24
4. Step 4: Simplify right side
   2,721.89x = 5,143,045.74
5. Step 5: Solve for x
   x = 5,143,045.74/2,721.89
6. Step 6: Final answer
   x = 1,889.52