Finding the Fourth Proportional to 3,838.96, 5,718.82 and 3,722.81

Step by Step Solution

1. Step 1: Write the proportion equation
   3,838.96 : 5,718.82 = 3,722.81 : x
2. Step 2: Convert to fraction form
   3,838.96/5,718.82 = 3,722.81/x
3. Step 3: Cross multiply
   3,838.96x = 5,718.82 × 3,722.81
4. Step 4: Simplify right side
   3,838.96x = 21,290,063.32
5. Step 5: Solve for x
   x = 21,290,063.32/3,838.96
6. Step 6: Final answer
   x = 5,545.79