Finding the Fourth Proportional to 71,160.67, 106,758.51 and 50,141.74

Step by Step Solution

1. Step 1: Write the proportion equation
   71,160.67 : 106,758.51 = 50,141.74 : x
2. Step 2: Convert to fraction form
   71,160.67/106,758.51 = 50,141.74/x
3. Step 3: Cross multiply
   71,160.67x = 106,758.51 × 50,141.74
4. Step 4: Simplify right side
   71,160.67x = 5,353,057,919.78
5. Step 5: Solve for x
   x = 5,353,057,919.78/71,160.67
6. Step 6: Final answer
   x = 75,224.95