Finding the Fourth Proportional to 1,456.83, 2,185.61 and 634.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,456.83 : 2,185.61 = 634.89 : x
2. Step 2: Convert to fraction form
   1,456.83/2,185.61 = 634.89/x
3. Step 3: Cross multiply
   1,456.83x = 2,185.61 × 634.89
4. Step 4: Simplify right side
   1,456.83x = 1,387,618.76
5. Step 5: Solve for x
   x = 1,387,618.76/1,456.83
6. Step 6: Final answer
   x = 952.49