Finding the Fourth Proportional to 3,938.38, 5,410.64 and 3,524.22

Step by Step Solution

1. Step 1: Write the proportion equation
   3,938.38 : 5,410.64 = 3,524.22 : x
2. Step 2: Convert to fraction form
   3,938.38/5,410.64 = 3,524.22/x
3. Step 3: Cross multiply
   3,938.38x = 5,410.64 × 3,524.22
4. Step 4: Simplify right side
   3,938.38x = 19,068,285.70
5. Step 5: Solve for x
   x = 19,068,285.70/3,938.38
6. Step 6: Final answer
   x = 4,841.66