Finding the Fourth Proportional to 1,032.42, 1,424.20 and 682.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,032.42 : 1,424.20 = 682.50 : x
2. Step 2: Convert to fraction form
   1,032.42/1,424.20 = 682.50/x
3. Step 3: Cross multiply
   1,032.42x = 1,424.20 × 682.50
4. Step 4: Simplify right side
   1,032.42x = 972,016.50
5. Step 5: Solve for x
   x = 972,016.50/1,032.42
6. Step 6: Final answer
   x = 941.49