Finding the Fourth Proportional to 2,095.49, 3,144.72 and 925.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,095.49 : 3,144.72 = 925.78 : x
2. Step 2: Convert to fraction form
   2,095.49/3,144.72 = 925.78/x
3. Step 3: Cross multiply
   2,095.49x = 3,144.72 × 925.78
4. Step 4: Simplify right side
   2,095.49x = 2,911,318.88
5. Step 5: Solve for x
   x = 2,911,318.88/2,095.49
6. Step 6: Final answer
   x = 1,389.33