Finding the Fourth Proportional to 23,650.34, 32,636.78 and 13,579.20

Step by Step Solution

1. Step 1: Write the proportion equation
   23,650.34 : 32,636.78 = 13,579.20 : x
2. Step 2: Convert to fraction form
   23,650.34/32,636.78 = 13,579.20/x
3. Step 3: Cross multiply
   23,650.34x = 32,636.78 × 13,579.20
4. Step 4: Simplify right side
   23,650.34x = 443,181,362.98
5. Step 5: Solve for x
   x = 443,181,362.98/23,650.34
6. Step 6: Final answer
   x = 18,738.90