Finding the Fourth Proportional to 1,073.72, 1,610.82 and 634.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,073.72 : 1,610.82 = 634.82 : x
2. Step 2: Convert to fraction form
   1,073.72/1,610.82 = 634.82/x
3. Step 3: Cross multiply
   1,073.72x = 1,610.82 × 634.82
4. Step 4: Simplify right side
   1,073.72x = 1,022,572.70
5. Step 5: Solve for x
   x = 1,022,572.70/1,073.72
6. Step 6: Final answer
   x = 952.36