Finding the Fourth Proportional to 9,146.25, 12,622.37 and 5,167.26

Step by Step Solution

1. Step 1: Write the proportion equation
   9,146.25 : 12,622.37 = 5,167.26 : x
2. Step 2: Convert to fraction form
   9,146.25/12,622.37 = 5,167.26/x
3. Step 3: Cross multiply
   9,146.25x = 12,622.37 × 5,167.26
4. Step 4: Simplify right side
   9,146.25x = 65,223,067.61
5. Step 5: Solve for x
   x = 65,223,067.61/9,146.25
6. Step 6: Final answer
   x = 7,131.13