Finding the Fourth Proportional to 6,239.55, 8,608.37 and 4,002.63

Step by Step Solution

1. Step 1: Write the proportion equation
   6,239.55 : 8,608.37 = 4,002.63 : x
2. Step 2: Convert to fraction form
   6,239.55/8,608.37 = 4,002.63/x
3. Step 3: Cross multiply
   6,239.55x = 8,608.37 × 4,002.63
4. Step 4: Simplify right side
   6,239.55x = 34,456,100.00
5. Step 5: Solve for x
   x = 34,456,100.00/6,239.55
6. Step 6: Final answer
   x = 5,522.21