Finding the Fourth Proportional to 2,964.63, 4,450.59 and 2,811.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,964.63 : 4,450.59 = 2,811.54 : x
2. Step 2: Convert to fraction form
   2,964.63/4,450.59 = 2,811.54/x
3. Step 3: Cross multiply
   2,964.63x = 4,450.59 × 2,811.54
4. Step 4: Simplify right side
   2,964.63x = 12,513,011.81
5. Step 5: Solve for x
   x = 12,513,011.81/2,964.63
6. Step 6: Final answer
   x = 4,220.77