Finding the Fourth Proportional to 1,456.44, 2,185.91 and 763.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,456.44 : 2,185.91 = 763.59 : x
2. Step 2: Convert to fraction form
   1,456.44/2,185.91 = 763.59/x
3. Step 3: Cross multiply
   1,456.44x = 2,185.91 × 763.59
4. Step 4: Simplify right side
   1,456.44x = 1,669,140.93
5. Step 5: Solve for x
   x = 1,669,140.93/1,456.44
6. Step 6: Final answer
   x = 1,146.04