Finding the Fourth Proportional to 1,942.57, 2,914.76 and 969.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,942.57 : 2,914.76 = 969.31 : x
2. Step 2: Convert to fraction form
   1,942.57/2,914.76 = 969.31/x
3. Step 3: Cross multiply
   1,942.57x = 2,914.76 × 969.31
4. Step 4: Simplify right side
   1,942.57x = 2,825,306.02
5. Step 5: Solve for x
   x = 2,825,306.02/1,942.57
6. Step 6: Final answer
   x = 1,454.42