Finding the Fourth Proportional to 22,362.74, 30,863.50 and 14,428.05

Step by Step Solution

1. Step 1: Write the proportion equation
   22,362.74 : 30,863.50 = 14,428.05 : x
2. Step 2: Convert to fraction form
   22,362.74/30,863.50 = 14,428.05/x
3. Step 3: Cross multiply
   22,362.74x = 30,863.50 × 14,428.05
4. Step 4: Simplify right side
   22,362.74x = 445,299,894.72
5. Step 5: Solve for x
   x = 445,299,894.72/22,362.74
6. Step 6: Final answer
   x = 19,912.58