Finding the Fourth Proportional to 23,222.72, 32,057.15 and 15,679.26

Step by Step Solution

1. Step 1: Write the proportion equation
   23,222.72 : 32,057.15 = 15,679.26 : x
2. Step 2: Convert to fraction form
   23,222.72/32,057.15 = 15,679.26/x
3. Step 3: Cross multiply
   23,222.72x = 32,057.15 × 15,679.26
4. Step 4: Simplify right side
   23,222.72x = 502,632,389.71
5. Step 5: Solve for x
   x = 502,632,389.71/23,222.72
6. Step 6: Final answer
   x = 21,643.99