Finding the Fourth Proportional to 7,286.40, 10,062.72 and 5,973.12

Step by Step Solution

1. Step 1: Write the proportion equation
   7,286.40 : 10,062.72 = 5,973.12 : x
2. Step 2: Convert to fraction form
   7,286.40/10,062.72 = 5,973.12/x
3. Step 3: Cross multiply
   7,286.40x = 10,062.72 × 5,973.12
4. Step 4: Simplify right side
   7,286.40x = 60,105,834.09
5. Step 5: Solve for x
   x = 60,105,834.09/7,286.40
6. Step 6: Final answer
   x = 8,249.04