Finding the Fourth Proportional to 50,311.67, 69,406.18 and 36,172.72

Step by Step Solution

1. Step 1: Write the proportion equation
   50,311.67 : 69,406.18 = 36,172.72 : x
2. Step 2: Convert to fraction form
   50,311.67/69,406.18 = 36,172.72/x
3. Step 3: Cross multiply
   50,311.67x = 69,406.18 × 36,172.72
4. Step 4: Simplify right side
   50,311.67x = 2,510,610,315.41
5. Step 5: Solve for x
   x = 2,510,610,315.41/50,311.67
6. Step 6: Final answer
   x = 49,901.15