Finding the Fourth Proportional to 22,160.10, 30,580.89 and 12,088.54

Step by Step Solution

1. Step 1: Write the proportion equation
   22,160.10 : 30,580.89 = 12,088.54 : x
2. Step 2: Convert to fraction form
   22,160.10/30,580.89 = 12,088.54/x
3. Step 3: Cross multiply
   22,160.10x = 30,580.89 × 12,088.54
4. Step 4: Simplify right side
   22,160.10x = 369,678,304.89
5. Step 5: Solve for x
   x = 369,678,304.89/22,160.10
6. Step 6: Final answer
   x = 16,682.16