Finding the Fourth Proportional to 6,012.75, 8,298.50 and 3,921.33

Step by Step Solution

1. Step 1: Write the proportion equation
   6,012.75 : 8,298.50 = 3,921.33 : x
2. Step 2: Convert to fraction form
   6,012.75/8,298.50 = 3,921.33/x
3. Step 3: Cross multiply
   6,012.75x = 8,298.50 × 3,921.33
4. Step 4: Simplify right side
   6,012.75x = 32,541,137.40
5. Step 5: Solve for x
   x = 32,541,137.40/6,012.75
6. Step 6: Final answer
   x = 5,412.02