Finding the Fourth Proportional to 2,932.43, 4,399.05 and 985.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,932.43 : 4,399.05 = 985.19 : x
2. Step 2: Convert to fraction form
   2,932.43/4,399.05 = 985.19/x
3. Step 3: Cross multiply
   2,932.43x = 4,399.05 × 985.19
4. Step 4: Simplify right side
   2,932.43x = 4,333,900.07
5. Step 5: Solve for x
   x = 4,333,900.07/2,932.43
6. Step 6: Final answer
   x = 1,477.92