Finding the Fourth Proportional to 1,695.78, 2,340.22 and 949.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,695.78 : 2,340.22 = 949.71 : x
2. Step 2: Convert to fraction form
   1,695.78/2,340.22 = 949.71/x
3. Step 3: Cross multiply
   1,695.78x = 2,340.22 × 949.71
4. Step 4: Simplify right side
   1,695.78x = 2,222,530.34
5. Step 5: Solve for x
   x = 2,222,530.34/1,695.78
6. Step 6: Final answer
   x = 1,310.62