Finding the Fourth Proportional to 71,427.03, 107,158.40 and 50,408.10

Step by Step Solution

1. Step 1: Write the proportion equation
   71,427.03 : 107,158.40 = 50,408.10 : x
2. Step 2: Convert to fraction form
   71,427.03/107,158.40 = 50,408.10/x
3. Step 3: Cross multiply
   71,427.03x = 107,158.40 × 50,408.10
4. Step 4: Simplify right side
   71,427.03x = 5,401,651,091.00
5. Step 5: Solve for x
   x = 5,401,651,091.00/71,427.03
6. Step 6: Final answer
   x = 75,624.75