Finding the Fourth Proportional to 1,032.69, 1,424.95 and 634.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,032.69 : 1,424.95 = 634.42 : x
2. Step 2: Convert to fraction form
   1,032.69/1,424.95 = 634.42/x
3. Step 3: Cross multiply
   1,032.69x = 1,424.95 × 634.42
4. Step 4: Simplify right side
   1,032.69x = 904,016.78
5. Step 5: Solve for x
   x = 904,016.78/1,032.69
6. Step 6: Final answer
   x = 875.40