Finding the Fourth Proportional to 6,003.12, 8,288.28 and 3,910.80

Step by Step Solution

1. Step 1: Write the proportion equation
   6,003.12 : 8,288.28 = 3,910.80 : x
2. Step 2: Convert to fraction form
   6,003.12/8,288.28 = 3,910.80/x
3. Step 3: Cross multiply
   6,003.12x = 8,288.28 × 3,910.80
4. Step 4: Simplify right side
   6,003.12x = 32,413,805.42
5. Step 5: Solve for x
   x = 32,413,805.42/6,003.12
6. Step 6: Final answer
   x = 5,399.49