Finding the Fourth Proportional to 33,939.54, 46,857.83 and 21,861.02

Step by Step Solution

1. Step 1: Write the proportion equation
   33,939.54 : 46,857.83 = 21,861.02 : x
2. Step 2: Convert to fraction form
   33,939.54/46,857.83 = 21,861.02/x
3. Step 3: Cross multiply
   33,939.54x = 46,857.83 × 21,861.02
4. Step 4: Simplify right side
   33,939.54x = 1,024,359,966.63
5. Step 5: Solve for x
   x = 1,024,359,966.63/33,939.54
6. Step 6: Final answer
   x = 30,181.90