Finding the Fourth Proportional to 2,570.04, 3,855.24 and 925.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,570.04 : 3,855.24 = 925.92 : x
2. Step 2: Convert to fraction form
   2,570.04/3,855.24 = 925.92/x
3. Step 3: Cross multiply
   2,570.04x = 3,855.24 × 925.92
4. Step 4: Simplify right side
   2,570.04x = 3,569,643.82
5. Step 5: Solve for x
   x = 3,569,643.82/2,570.04
6. Step 6: Final answer
   x = 1,388.94