Finding the Fourth Proportional to 3,899.18, 5,381.16 and 2,327.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,899.18 : 5,381.16 = 2,327.52 : x
2. Step 2: Convert to fraction form
   3,899.18/5,381.16 = 2,327.52/x
3. Step 3: Cross multiply
   3,899.18x = 5,381.16 × 2,327.52
4. Step 4: Simplify right side
   3,899.18x = 12,524,757.52
5. Step 5: Solve for x
   x = 12,524,757.52/3,899.18
6. Step 6: Final answer
   x = 3,212.15