Finding the Fourth Proportional to 60,861.27, 91,142.85 and 50,266.47

Step by Step Solution

1. Step 1: Write the proportion equation
   60,861.27 : 91,142.85 = 50,266.47 : x
2. Step 2: Convert to fraction form
   60,861.27/91,142.85 = 50,266.47/x
3. Step 3: Cross multiply
   60,861.27x = 91,142.85 × 50,266.47
4. Step 4: Simplify right side
   60,861.27x = 4,581,429,335.24
5. Step 5: Solve for x
   x = 4,581,429,335.24/60,861.27
6. Step 6: Final answer
   x = 75,276.60