Finding the Fourth Proportional to 12,123.22, 18,166.20 and 7,183.04

Step by Step Solution

1. Step 1: Write the proportion equation
   12,123.22 : 18,166.20 = 7,183.04 : x
2. Step 2: Convert to fraction form
   12,123.22/18,166.20 = 7,183.04/x
3. Step 3: Cross multiply
   12,123.22x = 18,166.20 × 7,183.04
4. Step 4: Simplify right side
   12,123.22x = 130,488,541.25
5. Step 5: Solve for x
   x = 130,488,541.25/12,123.22
6. Step 6: Final answer
   x = 10,763.52