Finding the Fourth Proportional to 6,420.17, 8,859.83 and 3,625.67

Step by Step Solution

1. Step 1: Write the proportion equation
   6,420.17 : 8,859.83 = 3,625.67 : x
2. Step 2: Convert to fraction form
   6,420.17/8,859.83 = 3,625.67/x
3. Step 3: Cross multiply
   6,420.17x = 8,859.83 × 3,625.67
4. Step 4: Simplify right side
   6,420.17x = 32,122,823.86
5. Step 5: Solve for x
   x = 32,122,823.86/6,420.17
6. Step 6: Final answer
   x = 5,003.42