Finding the Fourth Proportional to 2,569.72, 3,853.67 and 925.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,569.72 : 3,853.67 = 925.83 : x
2. Step 2: Convert to fraction form
   2,569.72/3,853.67 = 925.83/x
3. Step 3: Cross multiply
   2,569.72x = 3,853.67 × 925.83
4. Step 4: Simplify right side
   2,569.72x = 3,567,843.30
5. Step 5: Solve for x
   x = 3,567,843.30/2,569.72
6. Step 6: Final answer
   x = 1,388.42