Finding the Fourth Proportional to 3,222.72, 4,810.86 and 2,730.24

Step by Step Solution

1. Step 1: Write the proportion equation
   3,222.72 : 4,810.86 = 2,730.24 : x
2. Step 2: Convert to fraction form
   3,222.72/4,810.86 = 2,730.24/x
3. Step 3: Cross multiply
   3,222.72x = 4,810.86 × 2,730.24
4. Step 4: Simplify right side
   3,222.72x = 13,134,802.41
5. Step 5: Solve for x
   x = 13,134,802.41/3,222.72
6. Step 6: Final answer
   x = 4,075.69