Finding the Fourth Proportional to 1,250.82, 1,726.02 and 809.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,250.82 : 1,726.02 = 809.10 : x
2. Step 2: Convert to fraction form
   1,250.82/1,726.02 = 809.10/x
3. Step 3: Cross multiply
   1,250.82x = 1,726.02 × 809.10
4. Step 4: Simplify right side
   1,250.82x = 1,396,522.78
5. Step 5: Solve for x
   x = 1,396,522.78/1,250.82
6. Step 6: Final answer
   x = 1,116.49