Finding the Fourth Proportional to 71,899.89, 107,838.15 and 33,949.09

Step by Step Solution

1. Step 1: Write the proportion equation
   71,899.89 : 107,838.15 = 33,949.09 : x
2. Step 2: Convert to fraction form
   71,899.89/107,838.15 = 33,949.09/x
3. Step 3: Cross multiply
   71,899.89x = 107,838.15 × 33,949.09
4. Step 4: Simplify right side
   71,899.89x = 3,661,006,790.19
5. Step 5: Solve for x
   x = 3,661,006,790.19/71,899.89
6. Step 6: Final answer
   x = 50,918.11