Finding the Fourth Proportional to 2,931.06, 4,397 and 983.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,931.06 : 4,397 = 983.82 : x
2. Step 2: Convert to fraction form
   2,931.06/4,397 = 983.82/x
3. Step 3: Cross multiply
   2,931.06x = 4,397 × 983.82
4. Step 4: Simplify right side
   2,931.06x = 4,325,856.54
5. Step 5: Solve for x
   x = 4,325,856.54/2,931.06
6. Step 6: Final answer
   x = 1,475.87