Finding the Fourth Proportional to 3,151.47, 4,725.83 and 959.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,151.47 : 4,725.83 = 959.69 : x
2. Step 2: Convert to fraction form
   3,151.47/4,725.83 = 959.69/x
3. Step 3: Cross multiply
   3,151.47x = 4,725.83 × 959.69
4. Step 4: Simplify right side
   3,151.47x = 4,535,346.01
5. Step 5: Solve for x
   x = 4,535,346.01/3,151.47
6. Step 6: Final answer
   x = 1,439.12