Finding the Fourth Proportional to 9,146.82, 12,623.31 and 5,168.37

Step by Step Solution

1. Step 1: Write the proportion equation
   9,146.82 : 12,623.31 = 5,168.37 : x
2. Step 2: Convert to fraction form
   9,146.82/12,623.31 = 5,168.37/x
3. Step 3: Cross multiply
   9,146.82x = 12,623.31 × 5,168.37
4. Step 4: Simplify right side
   9,146.82x = 65,241,936.70
5. Step 5: Solve for x
   x = 65,241,936.70/9,146.82
6. Step 6: Final answer
   x = 7,132.75