Finding the Fourth Proportional to 22,066, 30,451.56 and 12,130

Step by Step Solution

1. Step 1: Write the proportion equation
   22,066 : 30,451.56 = 12,130 : x
2. Step 2: Convert to fraction form
   22,066/30,451.56 = 12,130/x
3. Step 3: Cross multiply
   22,066x = 30,451.56 × 12,130
4. Step 4: Simplify right side
   22,066x = 369,377,422.80
5. Step 5: Solve for x
   x = 369,377,422.80/22,066
6. Step 6: Final answer
   x = 16,739.66