Finding the Fourth Proportional to 33,707.61, 46,519.31 and 18,601.72

Step by Step Solution

1. Step 1: Write the proportion equation
   33,707.61 : 46,519.31 = 18,601.72 : x
2. Step 2: Convert to fraction form
   33,707.61/46,519.31 = 18,601.72/x
3. Step 3: Cross multiply
   33,707.61x = 46,519.31 × 18,601.72
4. Step 4: Simplify right side
   33,707.61x = 865,339,109.42
5. Step 5: Solve for x
   x = 865,339,109.42/33,707.61
6. Step 6: Final answer
   x = 25,671.92