Finding the Fourth Proportional to 15,080.82, 20,807.25 and 8,791.98

Step by Step Solution

1. Step 1: Write the proportion equation
   15,080.82 : 20,807.25 = 8,791.98 : x
2. Step 2: Convert to fraction form
   15,080.82/20,807.25 = 8,791.98/x
3. Step 3: Cross multiply
   15,080.82x = 20,807.25 × 8,791.98
4. Step 4: Simplify right side
   15,080.82x = 182,936,925.86
5. Step 5: Solve for x
   x = 182,936,925.86/15,080.82
6. Step 6: Final answer
   x = 12,130.44