Finding the Fourth Proportional to 22,066.38, 30,451.60 and 12,130.38

Step by Step Solution

1. Step 1: Write the proportion equation
   22,066.38 : 30,451.60 = 12,130.38 : x
2. Step 2: Convert to fraction form
   22,066.38/30,451.60 = 12,130.38/x
3. Step 3: Cross multiply
   22,066.38x = 30,451.60 × 12,130.38
4. Step 4: Simplify right side
   22,066.38x = 369,389,479.61
5. Step 5: Solve for x
   x = 369,389,479.61/22,066.38
6. Step 6: Final answer
   x = 16,739.92