Finding the Fourth Proportional to 23,651.37, 32,640.87 and 13,581.78

Step by Step Solution

1. Step 1: Write the proportion equation
   23,651.37 : 32,640.87 = 13,581.78 : x
2. Step 2: Convert to fraction form
   23,651.37/32,640.87 = 13,581.78/x
3. Step 3: Cross multiply
   23,651.37x = 32,640.87 × 13,581.78
4. Step 4: Simplify right side
   23,651.37x = 443,321,115.35
5. Step 5: Solve for x
   x = 443,321,115.35/23,651.37
6. Step 6: Final answer
   x = 18,743.99