Finding the Fourth Proportional to 2,892.24, 4,329.72 and 1,968.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,892.24 : 4,329.72 = 1,968.72 : x
2. Step 2: Convert to fraction form
   2,892.24/4,329.72 = 1,968.72/x
3. Step 3: Cross multiply
   2,892.24x = 4,329.72 × 1,968.72
4. Step 4: Simplify right side
   2,892.24x = 8,524,006.36
5. Step 5: Solve for x
   x = 8,524,006.36/2,892.24
6. Step 6: Final answer
   x = 2,947.20