Finding the Fourth Proportional to 2,502.82, 3,453.69 and 1,440.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,502.82 : 3,453.69 = 1,440.67 : x
2. Step 2: Convert to fraction form
   2,502.82/3,453.69 = 1,440.67/x
3. Step 3: Cross multiply
   2,502.82x = 3,453.69 × 1,440.67
4. Step 4: Simplify right side
   2,502.82x = 4,975,627.57
5. Step 5: Solve for x
   x = 4,975,627.57/2,502.82
6. Step 6: Final answer
   x = 1,988.01