Finding the Fourth Proportional to 22,399.86, 30,906.22 and 14,432.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,399.86 : 30,906.22 = 14,432.50 : x
2. Step 2: Convert to fraction form
   22,399.86/30,906.22 = 14,432.50/x
3. Step 3: Cross multiply
   22,399.86x = 30,906.22 × 14,432.50
4. Step 4: Simplify right side
   22,399.86x = 446,054,020.15
5. Step 5: Solve for x
   x = 446,054,020.15/22,399.86
6. Step 6: Final answer
   x = 19,913.25