Finding the Fourth Proportional to 7,975.99, 11,945.44 and 7,699.15

Step by Step Solution

1. Step 1: Write the proportion equation
   7,975.99 : 11,945.44 = 7,699.15 : x
2. Step 2: Convert to fraction form
   7,975.99/11,945.44 = 7,699.15/x
3. Step 3: Cross multiply
   7,975.99x = 11,945.44 × 7,699.15
4. Step 4: Simplify right side
   7,975.99x = 91,969,734.38
5. Step 5: Solve for x
   x = 91,969,734.38/7,975.99
6. Step 6: Final answer
   x = 11,530.82