Finding the Fourth Proportional to 948.82, 1,424.37 and 925.27

Step by Step Solution

1. Step 1: Write the proportion equation
   948.82 : 1,424.37 = 925.27 : x
2. Step 2: Convert to fraction form
   948.82/1,424.37 = 925.27/x
3. Step 3: Cross multiply
   948.82x = 1,424.37 × 925.27
4. Step 4: Simplify right side
   948.82x = 1,317,926.83
5. Step 5: Solve for x
   x = 1,317,926.83/948.82
6. Step 6: Final answer
   x = 1,389.02