Finding the Fourth Proportional to 6,388.17, 8,815.59 and 3,593.67

Step by Step Solution

1. Step 1: Write the proportion equation
   6,388.17 : 8,815.59 = 3,593.67 : x
2. Step 2: Convert to fraction form
   6,388.17/8,815.59 = 3,593.67/x
3. Step 3: Cross multiply
   6,388.17x = 8,815.59 × 3,593.67
4. Step 4: Simplify right side
   6,388.17x = 31,680,321.32
5. Step 5: Solve for x
   x = 31,680,321.32/6,388.17
6. Step 6: Final answer
   x = 4,959.22