Finding the Fourth Proportional to 9,512.99, 13,131.42 and 5,736.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,512.99 : 13,131.42 = 5,736.32 : x
2. Step 2: Convert to fraction form
   9,512.99/13,131.42 = 5,736.32/x
3. Step 3: Cross multiply
   9,512.99x = 13,131.42 × 5,736.32
4. Step 4: Simplify right side
   9,512.99x = 75,325,989.25
5. Step 5: Solve for x
   x = 75,325,989.25/9,512.99
6. Step 6: Final answer
   x = 7,918.22