Finding the Fourth Proportional to 3,360.72, 4,669.86 and 3,324.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,360.72 : 4,669.86 = 3,324.72 : x
2. Step 2: Convert to fraction form
   3,360.72/4,669.86 = 3,324.72/x
3. Step 3: Cross multiply
   3,360.72x = 4,669.86 × 3,324.72
4. Step 4: Simplify right side
   3,360.72x = 15,525,976.94
5. Step 5: Solve for x
   x = 15,525,976.94/3,360.72
6. Step 6: Final answer
   x = 4,619.84