Finding the Fourth Proportional to 33,618.69, 46,373.33 and 20,700.05

Step by Step Solution

1. Step 1: Write the proportion equation
   33,618.69 : 46,373.33 = 20,700.05 : x
2. Step 2: Convert to fraction form
   33,618.69/46,373.33 = 20,700.05/x
3. Step 3: Cross multiply
   33,618.69x = 46,373.33 × 20,700.05
4. Step 4: Simplify right side
   33,618.69x = 959,929,914.30
5. Step 5: Solve for x
   x = 959,929,914.30/33,618.69
6. Step 6: Final answer
   x = 28,553.46