Finding the Fourth Proportional to 71,429.18, 107,161.60 and 50,410.27

Step by Step Solution

1. Step 1: Write the proportion equation
   71,429.18 : 107,161.60 = 50,410.27 : x
2. Step 2: Convert to fraction form
   71,429.18/107,161.60 = 50,410.27/x
3. Step 3: Cross multiply
   71,429.18x = 107,161.60 × 50,410.27
4. Step 4: Simplify right side
   71,429.18x = 5,402,045,189.63
5. Step 5: Solve for x
   x = 5,402,045,189.63/71,429.18
6. Step 6: Final answer
   x = 75,627.99