Finding the Fourth Proportional to 52,899.89, 72,910.94 and 50,408.53

Step by Step Solution

1. Step 1: Write the proportion equation
   52,899.89 : 72,910.94 = 50,408.53 : x
2. Step 2: Convert to fraction form
   52,899.89/72,910.94 = 50,408.53/x
3. Step 3: Cross multiply
   52,899.89x = 72,910.94 × 50,408.53
4. Step 4: Simplify right side
   52,899.89x = 3,675,332,872.00
5. Step 5: Solve for x
   x = 3,675,332,872.00/52,899.89
6. Step 6: Final answer
   x = 69,477.14