Finding the Fourth Proportional to 33,815.49, 46,663.61 and 18,707.91

Step by Step Solution

1. Step 1: Write the proportion equation
   33,815.49 : 46,663.61 = 18,707.91 : x
2. Step 2: Convert to fraction form
   33,815.49/46,663.61 = 18,707.91/x
3. Step 3: Cross multiply
   33,815.49x = 46,663.61 × 18,707.91
4. Step 4: Simplify right side
   33,815.49x = 872,978,522.62
5. Step 5: Solve for x
   x = 872,978,522.62/33,815.49
6. Step 6: Final answer
   x = 25,815.94