Finding the Fourth Proportional to 15,019.83, 20,731.55 and 8,733.42

Step by Step Solution

1. Step 1: Write the proportion equation
   15,019.83 : 20,731.55 = 8,733.42 : x
2. Step 2: Convert to fraction form
   15,019.83/20,731.55 = 8,733.42/x
3. Step 3: Cross multiply
   15,019.83x = 20,731.55 × 8,733.42
4. Step 4: Simplify right side
   15,019.83x = 181,057,289.73
5. Step 5: Solve for x
   x = 181,057,289.73/15,019.83
6. Step 6: Final answer
   x = 12,054.55