Finding the Fourth Proportional to 2,924.22, 4,365.52 and 2,821.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,924.22 : 4,365.52 = 2,821.72 : x
2. Step 2: Convert to fraction form
   2,924.22/4,365.52 = 2,821.72/x
3. Step 3: Cross multiply
   2,924.22x = 4,365.52 × 2,821.72
4. Step 4: Simplify right side
   2,924.22x = 12,318,275.09
5. Step 5: Solve for x
   x = 12,318,275.09/2,924.22
6. Step 6: Final answer
   x = 4,212.50