Finding the Fourth Proportional to 9,146.89, 12,623.25 and 5,168.62

Step by Step Solution

1. Step 1: Write the proportion equation
   9,146.89 : 12,623.25 = 5,168.62 : x
2. Step 2: Convert to fraction form
   9,146.89/12,623.25 = 5,168.62/x
3. Step 3: Cross multiply
   9,146.89x = 12,623.25 × 5,168.62
4. Step 4: Simplify right side
   9,146.89x = 65,244,782.42
5. Step 5: Solve for x
   x = 65,244,782.42/9,146.89
6. Step 6: Final answer
   x = 7,133.00