Finding the Fourth Proportional to 2,933.36, 4,399.58 and 985.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,933.36 : 4,399.58 = 985.58 : x
2. Step 2: Convert to fraction form
   2,933.36/4,399.58 = 985.58/x
3. Step 3: Cross multiply
   2,933.36x = 4,399.58 × 985.58
4. Step 4: Simplify right side
   2,933.36x = 4,336,118.52
5. Step 5: Solve for x
   x = 4,336,118.52/2,933.36
6. Step 6: Final answer
   x = 1,478.21