Finding the Fourth Proportional to 2,474.56, 3,710.16 and 993.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,474.56 : 3,710.16 = 993.28 : x
2. Step 2: Convert to fraction form
   2,474.56/3,710.16 = 993.28/x
3. Step 3: Cross multiply
   2,474.56x = 3,710.16 × 993.28
4. Step 4: Simplify right side
   2,474.56x = 3,685,227.72
5. Step 5: Solve for x
   x = 3,685,227.72/2,474.56
6. Step 6: Final answer
   x = 1,489.25