Finding the Fourth Proportional to 22,304.73, 30,772.54 and 12,737.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,304.73 : 30,772.54 = 12,737.72 : x
2. Step 2: Convert to fraction form
   22,304.73/30,772.54 = 12,737.72/x
3. Step 3: Cross multiply
   22,304.73x = 30,772.54 × 12,737.72
4. Step 4: Simplify right side
   22,304.73x = 391,972,091.06
5. Step 5: Solve for x
   x = 391,972,091.06/22,304.73
6. Step 6: Final answer
   x = 17,573.49