Finding the Fourth Proportional to 2,041.68, 3,061.17 and 809.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,041.68 : 3,061.17 = 809.67 : x
2. Step 2: Convert to fraction form
   2,041.68/3,061.17 = 809.67/x
3. Step 3: Cross multiply
   2,041.68x = 3,061.17 × 809.67
4. Step 4: Simplify right side
   2,041.68x = 2,478,537.51
5. Step 5: Solve for x
   x = 2,478,537.51/2,041.68
6. Step 6: Final answer
   x = 1,213.97