Finding the Fourth Proportional to 71,692.98, 107,329.16 and 50,271.42

Step by Step Solution

1. Step 1: Write the proportion equation
   71,692.98 : 107,329.16 = 50,271.42 : x
2. Step 2: Convert to fraction form
   71,692.98/107,329.16 = 50,271.42/x
3. Step 3: Cross multiply
   71,692.98x = 107,329.16 × 50,271.42
4. Step 4: Simplify right side
   71,692.98x = 5,395,589,280.61
5. Step 5: Solve for x
   x = 5,395,589,280.61/71,692.98
6. Step 6: Final answer
   x = 75,259.66