Finding the Fourth Proportional to 22,388.16, 30,920.72 and 17,412.24

Step by Step Solution

1. Step 1: Write the proportion equation
   22,388.16 : 30,920.72 = 17,412.24 : x
2. Step 2: Convert to fraction form
   22,388.16/30,920.72 = 17,412.24/x
3. Step 3: Cross multiply
   22,388.16x = 30,920.72 × 17,412.24
4. Step 4: Simplify right side
   22,388.16x = 538,398,997.61
5. Step 5: Solve for x
   x = 538,398,997.61/22,388.16
6. Step 6: Final answer
   x = 24,048.38