Finding the Fourth Proportional to 1,957.90, 2,935.89 and 969.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,957.90 : 2,935.89 = 969.57 : x
2. Step 2: Convert to fraction form
   1,957.90/2,935.89 = 969.57/x
3. Step 3: Cross multiply
   1,957.90x = 2,935.89 × 969.57
4. Step 4: Simplify right side
   1,957.90x = 2,846,550.87
5. Step 5: Solve for x
   x = 2,846,550.87/1,957.90
6. Step 6: Final answer
   x = 1,453.88