Finding the Fourth Proportional to 33,540.50, 46,285.98 and 18,636.50

Step by Step Solution

1. Step 1: Write the proportion equation
   33,540.50 : 46,285.98 = 18,636.50 : x
2. Step 2: Convert to fraction form
   33,540.50/46,285.98 = 18,636.50/x
3. Step 3: Cross multiply
   33,540.50x = 46,285.98 × 18,636.50
4. Step 4: Simplify right side
   33,540.50x = 862,608,666.27
5. Step 5: Solve for x
   x = 862,608,666.27/33,540.50
6. Step 6: Final answer
   x = 25,718.42