Finding the Fourth Proportional to 2,721.41, 4,081.67 and 773.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,721.41 : 4,081.67 = 773.16 : x
2. Step 2: Convert to fraction form
   2,721.41/4,081.67 = 773.16/x
3. Step 3: Cross multiply
   2,721.41x = 4,081.67 × 773.16
4. Step 4: Simplify right side
   2,721.41x = 3,155,783.98
5. Step 5: Solve for x
   x = 3,155,783.98/2,721.41
6. Step 6: Final answer
   x = 1,159.61