Finding the Fourth Proportional to 2,952.72, 4,420.98 and 2,763.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,952.72 : 4,420.98 = 2,763.18 : x
2. Step 2: Convert to fraction form
   2,952.72/4,420.98 = 2,763.18/x
3. Step 3: Cross multiply
   2,952.72x = 4,420.98 × 2,763.18
4. Step 4: Simplify right side
   2,952.72x = 12,215,963.52
5. Step 5: Solve for x
   x = 12,215,963.52/2,952.72
6. Step 6: Final answer
   x = 4,137.19