Finding the Fourth Proportional to 22,199.50, 30,635.31 and 12,263.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,199.50 : 30,635.31 = 12,263.50 : x
2. Step 2: Convert to fraction form
   22,199.50/30,635.31 = 12,263.50/x
3. Step 3: Cross multiply
   22,199.50x = 30,635.31 × 12,263.50
4. Step 4: Simplify right side
   22,199.50x = 375,696,124.19
5. Step 5: Solve for x
   x = 375,696,124.19/22,199.50
6. Step 6: Final answer
   x = 16,923.63