Finding the Fourth Proportional to 33,108.15, 45,699.12 and 21,786.37

Step by Step Solution

1. Step 1: Write the proportion equation
   33,108.15 : 45,699.12 = 21,786.37 : x
2. Step 2: Convert to fraction form
   33,108.15/45,699.12 = 21,786.37/x
3. Step 3: Cross multiply
   33,108.15x = 45,699.12 × 21,786.37
4. Step 4: Simplify right side
   33,108.15x = 995,617,828.06
5. Step 5: Solve for x
   x = 995,617,828.06/33,108.15
6. Step 6: Final answer
   x = 30,071.69