Finding the Fourth Proportional to 1,456.58, 2,185.38 and 634.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,456.58 : 2,185.38 = 634.43 : x
2. Step 2: Convert to fraction form
   1,456.58/2,185.38 = 634.43/x
3. Step 3: Cross multiply
   1,456.58x = 2,185.38 × 634.43
4. Step 4: Simplify right side
   1,456.58x = 1,386,476.10
5. Step 5: Solve for x
   x = 1,386,476.10/1,456.58
6. Step 6: Final answer
   x = 951.87