Finding the Fourth Proportional to 22,140.88, 30,553.54 and 12,069.10

Step by Step Solution

1. Step 1: Write the proportion equation
   22,140.88 : 30,553.54 = 12,069.10 : x
2. Step 2: Convert to fraction form
   22,140.88/30,553.54 = 12,069.10/x
3. Step 3: Cross multiply
   22,140.88x = 30,553.54 × 12,069.10
4. Step 4: Simplify right side
   22,140.88x = 368,753,737.63
5. Step 5: Solve for x
   x = 368,753,737.63/22,140.88
6. Step 6: Final answer
   x = 16,654.88