Finding the Fourth Proportional to 8,377.58, 12,538.69 and 8,082.33

Step by Step Solution

1. Step 1: Write the proportion equation
   8,377.58 : 12,538.69 = 8,082.33 : x
2. Step 2: Convert to fraction form
   8,377.58/12,538.69 = 8,082.33/x
3. Step 3: Cross multiply
   8,377.58x = 12,538.69 × 8,082.33
4. Step 4: Simplify right side
   8,377.58x = 101,341,822.29
5. Step 5: Solve for x
   x = 101,341,822.29/8,377.58
6. Step 6: Final answer
   x = 12,096.79