Finding the Fourth Proportional to 33,392.50, 46,081.68 and 18,488.50

Step by Step Solution

1. Step 1: Write the proportion equation
   33,392.50 : 46,081.68 = 18,488.50 : x
2. Step 2: Convert to fraction form
   33,392.50/46,081.68 = 18,488.50/x
3. Step 3: Cross multiply
   33,392.50x = 46,081.68 × 18,488.50
4. Step 4: Simplify right side
   33,392.50x = 851,981,140.68
5. Step 5: Solve for x
   x = 851,981,140.68/33,392.50
6. Step 6: Final answer
   x = 25,514.15