Finding the Fourth Proportional to 7,019.10, 10,540.80 and 3,738.60

Step by Step Solution

1. Step 1: Write the proportion equation
   7,019.10 : 10,540.80 = 3,738.60 : x
2. Step 2: Convert to fraction form
   7,019.10/10,540.80 = 3,738.60/x
3. Step 3: Cross multiply
   7,019.10x = 10,540.80 × 3,738.60
4. Step 4: Simplify right side
   7,019.10x = 39,407,834.88
5. Step 5: Solve for x
   x = 39,407,834.88/7,019.10
6. Step 6: Final answer
   x = 5,614.37