Finding the Fourth Proportional to 52,287.36, 72,156.50 and 28,413.98

Step by Step Solution

1. Step 1: Write the proportion equation
   52,287.36 : 72,156.50 = 28,413.98 : x
2. Step 2: Convert to fraction form
   52,287.36/72,156.50 = 28,413.98/x
3. Step 3: Cross multiply
   52,287.36x = 72,156.50 × 28,413.98
4. Step 4: Simplify right side
   52,287.36x = 2,050,253,205.80
5. Step 5: Solve for x
   x = 2,050,253,205.80/52,287.36
6. Step 6: Final answer
   x = 39,211.26