Finding the Fourth Proportional to 6,506.37, 8,978.71 and 3,522.13

Step by Step Solution

1. Step 1: Write the proportion equation
   6,506.37 : 8,978.71 = 3,522.13 : x
2. Step 2: Convert to fraction form
   6,506.37/8,978.71 = 3,522.13/x
3. Step 3: Cross multiply
   6,506.37x = 8,978.71 × 3,522.13
4. Step 4: Simplify right side
   6,506.37x = 31,624,183.85
5. Step 5: Solve for x
   x = 31,624,183.85/6,506.37
6. Step 6: Final answer
   x = 4,860.50