Finding the Fourth Proportional to 33,742.89, 46,564.79 and 18,636.17

Step by Step Solution

1. Step 1: Write the proportion equation
   33,742.89 : 46,564.79 = 18,636.17 : x
2. Step 2: Convert to fraction form
   33,742.89/46,564.79 = 18,636.17/x
3. Step 3: Cross multiply
   33,742.89x = 46,564.79 × 18,636.17
4. Step 4: Simplify right side
   33,742.89x = 867,789,016.45
5. Step 5: Solve for x
   x = 867,789,016.45/33,742.89
6. Step 6: Final answer
   x = 25,717.69