Finding the Fourth Proportional to 1,250.96, 1,726.37 and 830.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,250.96 : 1,726.37 = 830.59 : x
2. Step 2: Convert to fraction form
   1,250.96/1,726.37 = 830.59/x
3. Step 3: Cross multiply
   1,250.96x = 1,726.37 × 830.59
4. Step 4: Simplify right side
   1,250.96x = 1,433,904.98
5. Step 5: Solve for x
   x = 1,433,904.98/1,250.96
6. Step 6: Final answer
   x = 1,146.24