Finding the Fourth Proportional to 2,933.94, 4,399.86 and 985.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,933.94 : 4,399.86 = 985.71 : x
2. Step 2: Convert to fraction form
   2,933.94/4,399.86 = 985.71/x
3. Step 3: Cross multiply
   2,933.94x = 4,399.86 × 985.71
4. Step 4: Simplify right side
   2,933.94x = 4,336,986.00
5. Step 5: Solve for x
   x = 4,336,986.00/2,933.94
6. Step 6: Final answer
   x = 1,478.21