Finding the Fourth Proportional to 23,927.72, 33,020.22 and 13,317.10

Step by Step Solution

1. Step 1: Write the proportion equation
   23,927.72 : 33,020.22 = 13,317.10 : x
2. Step 2: Convert to fraction form
   23,927.72/33,020.22 = 13,317.10/x
3. Step 3: Cross multiply
   23,927.72x = 33,020.22 × 13,317.10
4. Step 4: Simplify right side
   23,927.72x = 439,733,571.76
5. Step 5: Solve for x
   x = 439,733,571.76/23,927.72
6. Step 6: Final answer
   x = 18,377.58