Finding the Fourth Proportional to 3,931.32, 5,895.12 and 2,288.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,931.32 : 5,895.12 = 2,288.31 : x
2. Step 2: Convert to fraction form
   3,931.32/5,895.12 = 2,288.31/x
3. Step 3: Cross multiply
   3,931.32x = 5,895.12 × 2,288.31
4. Step 4: Simplify right side
   3,931.32x = 13,489,862.05
5. Step 5: Solve for x
   x = 13,489,862.05/3,931.32
6. Step 6: Final answer
   x = 3,431.38