Finding the Fourth Proportional to 2,059.02, 3,088.57 and 809.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,059.02 : 3,088.57 = 809.56 : x
2. Step 2: Convert to fraction form
   2,059.02/3,088.57 = 809.56/x
3. Step 3: Cross multiply
   2,059.02x = 3,088.57 × 809.56
4. Step 4: Simplify right side
   2,059.02x = 2,500,382.73
5. Step 5: Solve for x
   x = 2,500,382.73/2,059.02
6. Step 6: Final answer
   x = 1,214.36