Finding the Fourth Proportional to 2,621.58, 3,618.30 and 1,503.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,621.58 : 3,618.30 = 1,503.27 : x
2. Step 2: Convert to fraction form
   2,621.58/3,618.30 = 1,503.27/x
3. Step 3: Cross multiply
   2,621.58x = 3,618.30 × 1,503.27
4. Step 4: Simplify right side
   2,621.58x = 5,439,281.84
5. Step 5: Solve for x
   x = 5,439,281.84/2,621.58
6. Step 6: Final answer
   x = 2,074.81