Finding the Fourth Proportional to 33,642.38, 46,426.49 and 18,738.38

Step by Step Solution

1. Step 1: Write the proportion equation
   33,642.38 : 46,426.49 = 18,738.38 : x
2. Step 2: Convert to fraction form
   33,642.38/46,426.49 = 18,738.38/x
3. Step 3: Cross multiply
   33,642.38x = 46,426.49 × 18,738.38
4. Step 4: Simplify right side
   33,642.38x = 869,956,885.86
5. Step 5: Solve for x
   x = 869,956,885.86/33,642.38
6. Step 6: Final answer
   x = 25,858.96