Finding the Fourth Proportional to 23,638.36, 32,622.22 and 13,566.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,638.36 : 32,622.22 = 13,566.72 : x
2. Step 2: Convert to fraction form
   23,638.36/32,622.22 = 13,566.72/x
3. Step 3: Cross multiply
   23,638.36x = 32,622.22 × 13,566.72
4. Step 4: Simplify right side
   23,638.36x = 442,576,524.52
5. Step 5: Solve for x
   x = 442,576,524.52/23,638.36
6. Step 6: Final answer
   x = 18,722.81