Finding the Fourth Proportional to 37,981.76, 52,413.23 and 21,847.85

Step by Step Solution

1. Step 1: Write the proportion equation
   37,981.76 : 52,413.23 = 21,847.85 : x
2. Step 2: Convert to fraction form
   37,981.76/52,413.23 = 21,847.85/x
3. Step 3: Cross multiply
   37,981.76x = 52,413.23 × 21,847.85
4. Step 4: Simplify right side
   37,981.76x = 1,145,116,015.75
5. Step 5: Solve for x
   x = 1,145,116,015.75/37,981.76
6. Step 6: Final answer
   x = 30,149.11