Finding the Fourth Proportional to 52,413.83, 72,331.94 and 28,540.97

Step by Step Solution

1. Step 1: Write the proportion equation
   52,413.83 : 72,331.94 = 28,540.97 : x
2. Step 2: Convert to fraction form
   52,413.83/72,331.94 = 28,540.97/x
3. Step 3: Cross multiply
   52,413.83x = 72,331.94 × 28,540.97
4. Step 4: Simplify right side
   52,413.83x = 2,064,423,439.27
5. Step 5: Solve for x
   x = 2,064,423,439.27/52,413.83
6. Step 6: Final answer
   x = 39,387.00