Finding the Fourth Proportional to 7,206.57, 9,948.83 and 5,115.69

Step by Step Solution

1. Step 1: Write the proportion equation
   7,206.57 : 9,948.83 = 5,115.69 : x
2. Step 2: Convert to fraction form
   7,206.57/9,948.83 = 5,115.69/x
3. Step 3: Cross multiply
   7,206.57x = 9,948.83 × 5,115.69
4. Step 4: Simplify right side
   7,206.57x = 50,895,104.56
5. Step 5: Solve for x
   x = 50,895,104.56/7,206.57
6. Step 6: Final answer
   x = 7,062.32