Finding the Fourth Proportional to 6,082.02, 8,394.30 and 5,085.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,082.02 : 8,394.30 = 5,085.72 : x
2. Step 2: Convert to fraction form
   6,082.02/8,394.30 = 5,085.72/x
3. Step 3: Cross multiply
   6,082.02x = 8,394.30 × 5,085.72
4. Step 4: Simplify right side
   6,082.02x = 42,691,059.40
5. Step 5: Solve for x
   x = 42,691,059.40/6,082.02
6. Step 6: Final answer
   x = 7,019.22