Finding the Fourth Proportional to 3,191.43, 4,785.89 and 969.57

Step by Step Solution

1. Step 1: Write the proportion equation
   3,191.43 : 4,785.89 = 969.57 : x
2. Step 2: Convert to fraction form
   3,191.43/4,785.89 = 969.57/x
3. Step 3: Cross multiply
   3,191.43x = 4,785.89 × 969.57
4. Step 4: Simplify right side
   3,191.43x = 4,640,250.52
5. Step 5: Solve for x
   x = 4,640,250.52/3,191.43
6. Step 6: Final answer
   x = 1,453.97