Finding the Fourth Proportional to 3,210.56, 4,816.32 and 2,796.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,210.56 : 4,816.32 = 2,796.72 : x
2. Step 2: Convert to fraction form
   3,210.56/4,816.32 = 2,796.72/x
3. Step 3: Cross multiply
   3,210.56x = 4,816.32 × 2,796.72
4. Step 4: Simplify right side
   3,210.56x = 13,469,898.47
5. Step 5: Solve for x
   x = 13,469,898.47/3,210.56
6. Step 6: Final answer
   x = 4,195.50