Finding the Fourth Proportional to 1,657.83, 2,287.15 and 949.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,657.83 : 2,287.15 = 949.29 : x
2. Step 2: Convert to fraction form
   1,657.83/2,287.15 = 949.29/x
3. Step 3: Cross multiply
   1,657.83x = 2,287.15 × 949.29
4. Step 4: Simplify right side
   1,657.83x = 2,171,168.62
5. Step 5: Solve for x
   x = 2,171,168.62/1,657.83
6. Step 6: Final answer
   x = 1,309.64