Finding the Fourth Proportional to 2,622.24, 3,618.78 and 1,503.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,622.24 : 3,618.78 = 1,503.09 : x
2. Step 2: Convert to fraction form
   2,622.24/3,618.78 = 1,503.09/x
3. Step 3: Cross multiply
   2,622.24x = 3,618.78 × 1,503.09
4. Step 4: Simplify right side
   2,622.24x = 5,439,346.39
5. Step 5: Solve for x
   x = 5,439,346.39/2,622.24
6. Step 6: Final answer
   x = 2,074.31