Finding the Fourth Proportional to 2,528.23, 3,806.42 and 2,222.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,528.23 : 3,806.42 = 2,222.05 : x
2. Step 2: Convert to fraction form
   2,528.23/3,806.42 = 2,222.05/x
3. Step 3: Cross multiply
   2,528.23x = 3,806.42 × 2,222.05
4. Step 4: Simplify right side
   2,528.23x = 8,458,055.56
5. Step 5: Solve for x
   x = 8,458,055.56/2,528.23
6. Step 6: Final answer
   x = 3,345.45