Finding the Fourth Proportional to 33,106.72, 45,683.92 and 18,767.20

Step by Step Solution

1. Step 1: Write the proportion equation
   33,106.72 : 45,683.92 = 18,767.20 : x
2. Step 2: Convert to fraction form
   33,106.72/45,683.92 = 18,767.20/x
3. Step 3: Cross multiply
   33,106.72x = 45,683.92 × 18,767.20
4. Step 4: Simplify right side
   33,106.72x = 857,359,263.42
5. Step 5: Solve for x
   x = 857,359,263.42/33,106.72
6. Step 6: Final answer
   x = 25,896.83