Finding the Fourth Proportional to 22,321.10, 30,801.73 and 12,247.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,321.10 : 30,801.73 = 12,247.50 : x
2. Step 2: Convert to fraction form
   22,321.10/30,801.73 = 12,247.50/x
3. Step 3: Cross multiply
   22,321.10x = 30,801.73 × 12,247.50
4. Step 4: Simplify right side
   22,321.10x = 377,244,188.18
5. Step 5: Solve for x
   x = 377,244,188.18/22,321.10
6. Step 6: Final answer
   x = 16,900.79