Finding the Fourth Proportional to 12,022.64, 18,028.01 and 7,026.27

Step by Step Solution

1. Step 1: Write the proportion equation
   12,022.64 : 18,028.01 = 7,026.27 : x
2. Step 2: Convert to fraction form
   12,022.64/18,028.01 = 7,026.27/x
3. Step 3: Cross multiply
   12,022.64x = 18,028.01 × 7,026.27
4. Step 4: Simplify right side
   12,022.64x = 126,669,683.39
5. Step 5: Solve for x
   x = 126,669,683.39/12,022.64
6. Step 6: Final answer
   x = 10,535.93