Finding the Fourth Proportional to 2,933.61, 4,399.96 and 985.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,933.61 : 4,399.96 = 985.83 : x
2. Step 2: Convert to fraction form
   2,933.61/4,399.96 = 985.83/x
3. Step 3: Cross multiply
   2,933.61x = 4,399.96 × 985.83
4. Step 4: Simplify right side
   2,933.61x = 4,337,612.57
5. Step 5: Solve for x
   x = 4,337,612.57/2,933.61
6. Step 6: Final answer
   x = 1,478.59