Finding the Fourth Proportional to 60,856.29, 91,150.92 and 50,206.50

Step by Step Solution

1. Step 1: Write the proportion equation
   60,856.29 : 91,150.92 = 50,206.50 : x
2. Step 2: Convert to fraction form
   60,856.29/91,150.92 = 50,206.50/x
3. Step 3: Cross multiply
   60,856.29x = 91,150.92 × 50,206.50
4. Step 4: Simplify right side
   60,856.29x = 4,576,368,664.98
5. Step 5: Solve for x
   x = 4,576,368,664.98/60,856.29
6. Step 6: Final answer
   x = 75,199.60