Finding the Fourth Proportional to 6,239.83, 8,608.89 and 4,116.42

Step by Step Solution

1. Step 1: Write the proportion equation
   6,239.83 : 8,608.89 = 4,116.42 : x
2. Step 2: Convert to fraction form
   6,239.83/8,608.89 = 4,116.42/x
3. Step 3: Cross multiply
   6,239.83x = 8,608.89 × 4,116.42
4. Step 4: Simplify right side
   6,239.83x = 35,437,774.22
5. Step 5: Solve for x
   x = 35,437,774.22/6,239.83
6. Step 6: Final answer
   x = 5,679.29