Finding the Fourth Proportional to 9,168.26, 12,651.54 and 5,189.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,168.26 : 12,651.54 = 5,189.82 : x
2. Step 2: Convert to fraction form
   9,168.26/12,651.54 = 5,189.82/x
3. Step 3: Cross multiply
   9,168.26x = 12,651.54 × 5,189.82
4. Step 4: Simplify right side
   9,168.26x = 65,659,215.32
5. Step 5: Solve for x
   x = 65,659,215.32/9,168.26
6. Step 6: Final answer
   x = 7,161.58