Finding the Fourth Proportional to 2,621.96, 3,618.82 and 1,503.65

Step by Step Solution

1. Step 1: Write the proportion equation
   2,621.96 : 3,618.82 = 1,503.65 : x
2. Step 2: Convert to fraction form
   2,621.96/3,618.82 = 1,503.65/x
3. Step 3: Cross multiply
   2,621.96x = 3,618.82 × 1,503.65
4. Step 4: Simplify right side
   2,621.96x = 5,441,438.69
5. Step 5: Solve for x
   x = 5,441,438.69/2,621.96
6. Step 6: Final answer
   x = 2,075.33