Finding the Fourth Proportional to 15,081.82, 20,808.63 and 8,792.98

Step by Step Solution

1. Step 1: Write the proportion equation
   15,081.82 : 20,808.63 = 8,792.98 : x
2. Step 2: Convert to fraction form
   15,081.82/20,808.63 = 8,792.98/x
3. Step 3: Cross multiply
   15,081.82x = 20,808.63 × 8,792.98
4. Step 4: Simplify right side
   15,081.82x = 182,969,867.42
5. Step 5: Solve for x
   x = 182,969,867.42/15,081.82
6. Step 6: Final answer
   x = 12,131.82