Finding the Fourth Proportional to 12,200.82, 16,837.13 and 6,611.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,200.82 : 16,837.13 = 6,611.82 : x
2. Step 2: Convert to fraction form
   12,200.82/16,837.13 = 6,611.82/x
3. Step 3: Cross multiply
   12,200.82x = 16,837.13 × 6,611.82
4. Step 4: Simplify right side
   12,200.82x = 111,324,039.82
5. Step 5: Solve for x
   x = 111,324,039.82/12,200.82
6. Step 6: Final answer
   x = 9,124.31