Finding the Fourth Proportional to 3,434.42, 5,151.72 and 969.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,434.42 : 5,151.72 = 969.50 : x
2. Step 2: Convert to fraction form
   3,434.42/5,151.72 = 969.50/x
3. Step 3: Cross multiply
   3,434.42x = 5,151.72 × 969.50
4. Step 4: Simplify right side
   3,434.42x = 4,994,592.54
5. Step 5: Solve for x
   x = 4,994,592.54/3,434.42
6. Step 6: Final answer
   x = 1,454.28