Finding the Fourth Proportional to 33,578.69, 46,337.61 and 18,471.34

Step by Step Solution

1. Step 1: Write the proportion equation
   33,578.69 : 46,337.61 = 18,471.34 : x
2. Step 2: Convert to fraction form
   33,578.69/46,337.61 = 18,471.34/x
3. Step 3: Cross multiply
   33,578.69x = 46,337.61 × 18,471.34
4. Step 4: Simplify right side
   33,578.69x = 855,917,749.10
5. Step 5: Solve for x
   x = 855,917,749.10/33,578.69
6. Step 6: Final answer
   x = 25,489.91