Finding the Fourth Proportional to 3,434.72, 5,151.99 and 969.71

Step by Step Solution

1. Step 1: Write the proportion equation
   3,434.72 : 5,151.99 = 969.71 : x
2. Step 2: Convert to fraction form
   3,434.72/5,151.99 = 969.71/x
3. Step 3: Cross multiply
   3,434.72x = 5,151.99 × 969.71
4. Step 4: Simplify right side
   3,434.72x = 4,995,936.22
5. Step 5: Solve for x
   x = 4,995,936.22/3,434.72
6. Step 6: Final answer
   x = 1,454.54