Finding the Fourth Proportional to 2,943.47, 4,414.71 and 969.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,943.47 : 4,414.71 = 969.12 : x
2. Step 2: Convert to fraction form
   2,943.47/4,414.71 = 969.12/x
3. Step 3: Cross multiply
   2,943.47x = 4,414.71 × 969.12
4. Step 4: Simplify right side
   2,943.47x = 4,278,383.76
5. Step 5: Solve for x
   x = 4,278,383.76/2,943.47
6. Step 6: Final answer
   x = 1,453.52