Finding the Fourth Proportional to 10,677.78, 15,993.27 and 8,807.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,677.78 : 15,993.27 = 8,807.82 : x
2. Step 2: Convert to fraction form
   10,677.78/15,993.27 = 8,807.82/x
3. Step 3: Cross multiply
   10,677.78x = 15,993.27 × 8,807.82
4. Step 4: Simplify right side
   10,677.78x = 140,865,843.37
5. Step 5: Solve for x
   x = 140,865,843.37/10,677.78
6. Step 6: Final answer
   x = 13,192.43