Finding the Fourth Proportional to 2,568.91, 3,853.39 and 925.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,568.91 : 3,853.39 = 925.47 : x
2. Step 2: Convert to fraction form
   2,568.91/3,853.39 = 925.47/x
3. Step 3: Cross multiply
   2,568.91x = 3,853.39 × 925.47
4. Step 4: Simplify right side
   2,568.91x = 3,566,195.51
5. Step 5: Solve for x
   x = 3,566,195.51/2,568.91
6. Step 6: Final answer
   x = 1,388.21