Finding the Fourth Proportional to 36,078.67, 49,788.76 and 20,971.62

Step by Step Solution

1. Step 1: Write the proportion equation
   36,078.67 : 49,788.76 = 20,971.62 : x
2. Step 2: Convert to fraction form
   36,078.67/49,788.76 = 20,971.62/x
3. Step 3: Cross multiply
   36,078.67x = 49,788.76 × 20,971.62
4. Step 4: Simplify right side
   36,078.67x = 1,044,151,100.37
5. Step 5: Solve for x
   x = 1,044,151,100.37/36,078.67
6. Step 6: Final answer
   x = 28,940.96