Finding the Fourth Proportional to 12,023.10, 18,015.18 and 7,338.06

Step by Step Solution

1. Step 1: Write the proportion equation
   12,023.10 : 18,015.18 = 7,338.06 : x
2. Step 2: Convert to fraction form
   12,023.10/18,015.18 = 7,338.06/x
3. Step 3: Cross multiply
   12,023.10x = 18,015.18 × 7,338.06
4. Step 4: Simplify right side
   12,023.10x = 132,196,471.75
5. Step 5: Solve for x
   x = 132,196,471.75/12,023.10
6. Step 6: Final answer
   x = 10,995.21