Finding the Fourth Proportional to 33,395.17, 50,111.20 and 18,612.42

Step by Step Solution

1. Step 1: Write the proportion equation
   33,395.17 : 50,111.20 = 18,612.42 : x
2. Step 2: Convert to fraction form
   33,395.17/50,111.20 = 18,612.42/x
3. Step 3: Cross multiply
   33,395.17x = 50,111.20 × 18,612.42
4. Step 4: Simplify right side
   33,395.17x = 932,690,701.10
5. Step 5: Solve for x
   x = 932,690,701.10/33,395.17
6. Step 6: Final answer
   x = 27,928.91