Finding the Fourth Proportional to 2,311.16, 3,467.46 and 925.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,311.16 : 3,467.46 = 925.25 : x
2. Step 2: Convert to fraction form
   2,311.16/3,467.46 = 925.25/x
3. Step 3: Cross multiply
   2,311.16x = 3,467.46 × 925.25
4. Step 4: Simplify right side
   2,311.16x = 3,208,267.37
5. Step 5: Solve for x
   x = 3,208,267.37/2,311.16
6. Step 6: Final answer
   x = 1,388.16