Finding the Fourth Proportional to 36,074.72, 49,782.18 and 20,159.30

Step by Step Solution

1. Step 1: Write the proportion equation
   36,074.72 : 49,782.18 = 20,159.30 : x
2. Step 2: Convert to fraction form
   36,074.72/49,782.18 = 20,159.30/x
3. Step 3: Cross multiply
   36,074.72x = 49,782.18 × 20,159.30
4. Step 4: Simplify right side
   36,074.72x = 1,003,574,025.73
5. Step 5: Solve for x
   x = 1,003,574,025.73/36,074.72
6. Step 6: Final answer
   x = 27,819.31