Finding the Fourth Proportional to 2,721.14, 4,081.74 and 773.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,721.14 : 4,081.74 = 773.34 : x
2. Step 2: Convert to fraction form
   2,721.14/4,081.74 = 773.34/x
3. Step 3: Cross multiply
   2,721.14x = 4,081.74 × 773.34
4. Step 4: Simplify right side
   2,721.14x = 3,156,572.81
5. Step 5: Solve for x
   x = 3,156,572.81/2,721.14
6. Step 6: Final answer
   x = 1,160.02