Finding the Fourth Proportional to 6,150.02, 8,485.74 and 3,911.09

Step by Step Solution

1. Step 1: Write the proportion equation
   6,150.02 : 8,485.74 = 3,911.09 : x
2. Step 2: Convert to fraction form
   6,150.02/8,485.74 = 3,911.09/x
3. Step 3: Cross multiply
   6,150.02x = 8,485.74 × 3,911.09
4. Step 4: Simplify right side
   6,150.02x = 33,188,450.43
5. Step 5: Solve for x
   x = 33,188,450.43/6,150.02
6. Step 6: Final answer
   x = 5,396.48