Finding the Fourth Proportional to 23,179.92, 32,014.56 and 15,613.12

Step by Step Solution

1. Step 1: Write the proportion equation
   23,179.92 : 32,014.56 = 15,613.12 : x
2. Step 2: Convert to fraction form
   23,179.92/32,014.56 = 15,613.12/x
3. Step 3: Cross multiply
   23,179.92x = 32,014.56 × 15,613.12
4. Step 4: Simplify right side
   23,179.92x = 499,847,167.03
5. Step 5: Solve for x
   x = 499,847,167.03/23,179.92
6. Step 6: Final answer
   x = 21,563.80