Finding the Fourth Proportional to 71,875, 107,669.89 and 33,872.23

Step by Step Solution

1. Step 1: Write the proportion equation
   71,875 : 107,669.89 = 33,872.23 : x
2. Step 2: Convert to fraction form
   71,875/107,669.89 = 33,872.23/x
3. Step 3: Cross multiply
   71,875x = 107,669.89 × 33,872.23
4. Step 4: Simplify right side
   71,875x = 3,647,019,108.79
5. Step 5: Solve for x
   x = 3,647,019,108.79/71,875
6. Step 6: Final answer
   x = 50,741.14