Finding the Fourth Proportional to 7,419.39, 11,140.22 and 7,062.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,419.39 : 11,140.22 = 7,062.72 : x
2. Step 2: Convert to fraction form
   7,419.39/11,140.22 = 7,062.72/x
3. Step 3: Cross multiply
   7,419.39x = 11,140.22 × 7,062.72
4. Step 4: Simplify right side
   7,419.39x = 78,680,254.60
5. Step 5: Solve for x
   x = 78,680,254.60/7,419.39
6. Step 6: Final answer
   x = 10,604.68