Finding the Fourth Proportional to 2,721.05, 4,081.98 and 1,260.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,721.05 : 4,081.98 = 1,260.35 : x
2. Step 2: Convert to fraction form
   2,721.05/4,081.98 = 1,260.35/x
3. Step 3: Cross multiply
   2,721.05x = 4,081.98 × 1,260.35
4. Step 4: Simplify right side
   2,721.05x = 5,144,723.49
5. Step 5: Solve for x
   x = 5,144,723.49/2,721.05
6. Step 6: Final answer
   x = 1,890.71