Finding the Fourth Proportional to 22,079.72, 30,469.14 and 12,008.15

Step by Step Solution

1. Step 1: Write the proportion equation
   22,079.72 : 30,469.14 = 12,008.15 : x
2. Step 2: Convert to fraction form
   22,079.72/30,469.14 = 12,008.15/x
3. Step 3: Cross multiply
   22,079.72x = 30,469.14 × 12,008.15
4. Step 4: Simplify right side
   22,079.72x = 365,878,007.62
5. Step 5: Solve for x
   x = 365,878,007.62/22,079.72
6. Step 6: Final answer
   x = 16,570.77