Finding the Fourth Proportional to 22,665.42, 33,946.83 and 12,116.79

Step by Step Solution

1. Step 1: Write the proportion equation
   22,665.42 : 33,946.83 = 12,116.79 : x
2. Step 2: Convert to fraction form
   22,665.42/33,946.83 = 12,116.79/x
3. Step 3: Cross multiply
   22,665.42x = 33,946.83 × 12,116.79
4. Step 4: Simplify right side
   22,665.42x = 411,326,610.28
5. Step 5: Solve for x
   x = 411,326,610.28/22,665.42
6. Step 6: Final answer
   x = 18,147.76