Finding the Fourth Proportional to 2,022.24, 3,031.47 and 925.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,022.24 : 3,031.47 = 925.50 : x
2. Step 2: Convert to fraction form
   2,022.24/3,031.47 = 925.50/x
3. Step 3: Cross multiply
   2,022.24x = 3,031.47 × 925.50
4. Step 4: Simplify right side
   2,022.24x = 2,805,625.49
5. Step 5: Solve for x
   x = 2,805,625.49/2,022.24
6. Step 6: Final answer
   x = 1,387.39