Finding the Fourth Proportional to 22,240.50, 30,691.89 and 12,304.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,240.50 : 30,691.89 = 12,304.50 : x
2. Step 2: Convert to fraction form
   22,240.50/30,691.89 = 12,304.50/x
3. Step 3: Cross multiply
   22,240.50x = 30,691.89 × 12,304.50
4. Step 4: Simplify right side
   22,240.50x = 377,648,360.51
5. Step 5: Solve for x
   x = 377,648,360.51/22,240.50
6. Step 6: Final answer
   x = 16,980.21