Finding the Fourth Proportional to 3,834.40, 5,717.08 and 3,738.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,834.40 : 5,717.08 = 3,738.72 : x
2. Step 2: Convert to fraction form
   3,834.40/5,717.08 = 3,738.72/x
3. Step 3: Cross multiply
   3,834.40x = 5,717.08 × 3,738.72
4. Step 4: Simplify right side
   3,834.40x = 21,374,561.34
5. Step 5: Solve for x
   x = 21,374,561.34/3,834.40
6. Step 6: Final answer
   x = 5,574.42