Finding the Fourth Proportional to 3,449.31, 5,173.98 and 984.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,449.31 : 5,173.98 = 984.15 : x
2. Step 2: Convert to fraction form
   3,449.31/5,173.98 = 984.15/x
3. Step 3: Cross multiply
   3,449.31x = 5,173.98 × 984.15
4. Step 4: Simplify right side
   3,449.31x = 5,091,956.71
5. Step 5: Solve for x
   x = 5,091,956.71/3,449.31
6. Step 6: Final answer
   x = 1,476.23