Finding the Fourth Proportional to 3,910.72, 5,402.88 and 3,327.36

Step by Step Solution

1. Step 1: Write the proportion equation
   3,910.72 : 5,402.88 = 3,327.36 : x
2. Step 2: Convert to fraction form
   3,910.72/5,402.88 = 3,327.36/x
3. Step 3: Cross multiply
   3,910.72x = 5,402.88 × 3,327.36
4. Step 4: Simplify right side
   3,910.72x = 17,977,326.80
5. Step 5: Solve for x
   x = 17,977,326.80/3,910.72
6. Step 6: Final answer
   x = 4,596.94