Finding the Fourth Proportional to 20,077.37, 30,103.90 and 8,981.99

Step by Step Solution

1. Step 1: Write the proportion equation
   20,077.37 : 30,103.90 = 8,981.99 : x
2. Step 2: Convert to fraction form
   20,077.37/30,103.90 = 8,981.99/x
3. Step 3: Cross multiply
   20,077.37x = 30,103.90 × 8,981.99
4. Step 4: Simplify right side
   20,077.37x = 270,392,733.33
5. Step 5: Solve for x
   x = 270,392,733.33/20,077.37
6. Step 6: Final answer
   x = 13,467.54