Finding the Fourth Proportional to 1,022.61, 1,540.73 and 925.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,022.61 : 1,540.73 = 925.22 : x
2. Step 2: Convert to fraction form
   1,022.61/1,540.73 = 925.22/x
3. Step 3: Cross multiply
   1,022.61x = 1,540.73 × 925.22
4. Step 4: Simplify right side
   1,022.61x = 1,425,514.21
5. Step 5: Solve for x
   x = 1,425,514.21/1,022.61
6. Step 6: Final answer
   x = 1,394.00