Finding the Fourth Proportional to 3,077.24, 4,616.16 and 996.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,077.24 : 4,616.16 = 996.72 : x
2. Step 2: Convert to fraction form
   3,077.24/4,616.16 = 996.72/x
3. Step 3: Cross multiply
   3,077.24x = 4,616.16 × 996.72
4. Step 4: Simplify right side
   3,077.24x = 4,601,019.00
5. Step 5: Solve for x
   x = 4,601,019.00/3,077.24
6. Step 6: Final answer
   x = 1,495.18