Finding the Fourth Proportional to 22,389.57, 30,899.12 and 14,822.82

Step by Step Solution

1. Step 1: Write the proportion equation
   22,389.57 : 30,899.12 = 14,822.82 : x
2. Step 2: Convert to fraction form
   22,389.57/30,899.12 = 14,822.82/x
3. Step 3: Cross multiply
   22,389.57x = 30,899.12 × 14,822.82
4. Step 4: Simplify right side
   22,389.57x = 458,012,019.80
5. Step 5: Solve for x
   x = 458,012,019.80/22,389.57
6. Step 6: Final answer
   x = 20,456.49