Finding the Fourth Proportional to 52,608.69, 72,601.79 and 28,737.18

Step by Step Solution

1. Step 1: Write the proportion equation
   52,608.69 : 72,601.79 = 28,737.18 : x
2. Step 2: Convert to fraction form
   52,608.69/72,601.79 = 28,737.18/x
3. Step 3: Cross multiply
   52,608.69x = 72,601.79 × 28,737.18
4. Step 4: Simplify right side
   52,608.69x = 2,086,370,563.87
5. Step 5: Solve for x
   x = 2,086,370,563.87/52,608.69
6. Step 6: Final answer
   x = 39,658.29