Finding the Fourth Proportional to 12,022.80, 18,032.12 and 3,256.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,022.80 : 18,032.12 = 3,256.56 : x
2. Step 2: Convert to fraction form
   12,022.80/18,032.12 = 3,256.56/x
3. Step 3: Cross multiply
   12,022.80x = 18,032.12 × 3,256.56
4. Step 4: Simplify right side
   12,022.80x = 58,722,680.71
5. Step 5: Solve for x
   x = 58,722,680.71/12,022.80
6. Step 6: Final answer
   x = 4,884.28