Finding the Fourth Proportional to 8,082.30, 12,103.98 and 5,477.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,082.30 : 12,103.98 = 5,477.34 : x
2. Step 2: Convert to fraction form
   8,082.30/12,103.98 = 5,477.34/x
3. Step 3: Cross multiply
   8,082.30x = 12,103.98 × 5,477.34
4. Step 4: Simplify right side
   8,082.30x = 66,297,613.81
5. Step 5: Solve for x
   x = 66,297,613.81/8,082.30
6. Step 6: Final answer
   x = 8,202.82