Finding the Fourth Proportional to 2,721.54, 4,081.69 and 1,259.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,721.54 : 4,081.69 = 1,259.29 : x
2. Step 2: Convert to fraction form
   2,721.54/4,081.69 = 1,259.29/x
3. Step 3: Cross multiply
   2,721.54x = 4,081.69 × 1,259.29
4. Step 4: Simplify right side
   2,721.54x = 5,140,038.08
5. Step 5: Solve for x
   x = 5,140,038.08/2,721.54
6. Step 6: Final answer
   x = 1,888.65