Finding the Fourth Proportional to 2,149.72, 2,963.42 and 1,518.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,149.72 : 2,963.42 = 1,518.18 : x
2. Step 2: Convert to fraction form
   2,149.72/2,963.42 = 1,518.18/x
3. Step 3: Cross multiply
   2,149.72x = 2,963.42 × 1,518.18
4. Step 4: Simplify right side
   2,149.72x = 4,499,004.98
5. Step 5: Solve for x
   x = 4,499,004.98/2,149.72
6. Step 6: Final answer
   x = 2,092.83