Finding the Fourth Proportional to 6,388.37, 8,815.34 and 4,710.69

Step by Step Solution

1. Step 1: Write the proportion equation
   6,388.37 : 8,815.34 = 4,710.69 : x
2. Step 2: Convert to fraction form
   6,388.37/8,815.34 = 4,710.69/x
3. Step 3: Cross multiply
   6,388.37x = 8,815.34 × 4,710.69
4. Step 4: Simplify right side
   6,388.37x = 41,526,333.98
5. Step 5: Solve for x
   x = 41,526,333.98/6,388.37
6. Step 6: Final answer
   x = 6,500.30