Finding the Fourth Proportional to 2,621.81, 3,618.27 and 1,502.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,621.81 : 3,618.27 = 1,502.87 : x
2. Step 2: Convert to fraction form
   2,621.81/3,618.27 = 1,502.87/x
3. Step 3: Cross multiply
   2,621.81x = 3,618.27 × 1,502.87
4. Step 4: Simplify right side
   2,621.81x = 5,437,771.34
5. Step 5: Solve for x
   x = 5,437,771.34/2,621.81
6. Step 6: Final answer
   x = 2,074.05