Finding the Fourth Proportional to 22,144.17, 30,557.82 and 12,072.63

Step by Step Solution

1. Step 1: Write the proportion equation
   22,144.17 : 30,557.82 = 12,072.63 : x
2. Step 2: Convert to fraction form
   22,144.17/30,557.82 = 12,072.63/x
3. Step 3: Cross multiply
   22,144.17x = 30,557.82 × 12,072.63
4. Step 4: Simplify right side
   22,144.17x = 368,913,254.47
5. Step 5: Solve for x
   x = 368,913,254.47/22,144.17
6. Step 6: Final answer
   x = 16,659.61