Finding the Fourth Proportional to 2,931.16, 4,395.82 and 982.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,931.16 : 4,395.82 = 982.91 : x
2. Step 2: Convert to fraction form
   2,931.16/4,395.82 = 982.91/x
3. Step 3: Cross multiply
   2,931.16x = 4,395.82 × 982.91
4. Step 4: Simplify right side
   2,931.16x = 4,320,673.46
5. Step 5: Solve for x
   x = 4,320,673.46/2,931.16
6. Step 6: Final answer
   x = 1,474.05