Finding the Fourth Proportional to 20,789.74, 31,180.85 and 5,995.02

Step by Step Solution

1. Step 1: Write the proportion equation
   20,789.74 : 31,180.85 = 5,995.02 : x
2. Step 2: Convert to fraction form
   20,789.74/31,180.85 = 5,995.02/x
3. Step 3: Cross multiply
   20,789.74x = 31,180.85 × 5,995.02
4. Step 4: Simplify right side
   20,789.74x = 186,929,819.37
5. Step 5: Solve for x
   x = 186,929,819.37/20,789.74
6. Step 6: Final answer
   x = 8,991.45