Finding the Fourth Proportional to 3,581.03, 5,370.89 and 983.94

Step by Step Solution

1. Step 1: Write the proportion equation
   3,581.03 : 5,370.89 = 983.94 : x
2. Step 2: Convert to fraction form
   3,581.03/5,370.89 = 983.94/x
3. Step 3: Cross multiply
   3,581.03x = 5,370.89 × 983.94
4. Step 4: Simplify right side
   3,581.03x = 5,284,628.59
5. Step 5: Solve for x
   x = 5,284,628.59/3,581.03
6. Step 6: Final answer
   x = 1,475.73