Finding the Fourth Proportional to 2,721.17, 4,081.74 and 773.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,721.17 : 4,081.74 = 773.37 : x
2. Step 2: Convert to fraction form
   2,721.17/4,081.74 = 773.37/x
3. Step 3: Cross multiply
   2,721.17x = 4,081.74 × 773.37
4. Step 4: Simplify right side
   2,721.17x = 3,156,695.26
5. Step 5: Solve for x
   x = 3,156,695.26/2,721.17
6. Step 6: Final answer
   x = 1,160.05