Finding the Fourth Proportional to 8,442.30, 11,650.82 and 5,086.17

Step by Step Solution

1. Step 1: Write the proportion equation
   8,442.30 : 11,650.82 = 5,086.17 : x
2. Step 2: Convert to fraction form
   8,442.30/11,650.82 = 5,086.17/x
3. Step 3: Cross multiply
   8,442.30x = 11,650.82 × 5,086.17
4. Step 4: Simplify right side
   8,442.30x = 59,258,051.16
5. Step 5: Solve for x
   x = 59,258,051.16/8,442.30
6. Step 6: Final answer
   x = 7,019.18