Finding the Fourth Proportional to 3,448.79, 5,171.61 and 983.02

Step by Step Solution

1. Step 1: Write the proportion equation
   3,448.79 : 5,171.61 = 983.02 : x
2. Step 2: Convert to fraction form
   3,448.79/5,171.61 = 983.02/x
3. Step 3: Cross multiply
   3,448.79x = 5,171.61 × 983.02
4. Step 4: Simplify right side
   3,448.79x = 5,083,796.06
5. Step 5: Solve for x
   x = 5,083,796.06/3,448.79
6. Step 6: Final answer
   x = 1,474.08