Finding the Fourth Proportional to 2,931.53, 4,397.77 and 956.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,931.53 : 4,397.77 = 956.59 : x
2. Step 2: Convert to fraction form
   2,931.53/4,397.77 = 956.59/x
3. Step 3: Cross multiply
   2,931.53x = 4,397.77 × 956.59
4. Step 4: Simplify right side
   2,931.53x = 4,206,853.01
5. Step 5: Solve for x
   x = 4,206,853.01/2,931.53
6. Step 6: Final answer
   x = 1,435.04