Finding the Fourth Proportional to 22,079.67, 30,469.65 and 12,007.89

Step by Step Solution

1. Step 1: Write the proportion equation
   22,079.67 : 30,469.65 = 12,007.89 : x
2. Step 2: Convert to fraction form
   22,079.67/30,469.65 = 12,007.89/x
3. Step 3: Cross multiply
   22,079.67x = 30,469.65 × 12,007.89
4. Step 4: Simplify right side
   22,079.67x = 365,876,281.71
5. Step 5: Solve for x
   x = 365,876,281.71/22,079.67
6. Step 6: Final answer
   x = 16,570.73