Finding the Fourth Proportional to 1,808.04, 2,709.83 and 1,028.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,808.04 : 2,709.83 = 1,028.69 : x
2. Step 2: Convert to fraction form
   1,808.04/2,709.83 = 1,028.69/x
3. Step 3: Cross multiply
   1,808.04x = 2,709.83 × 1,028.69
4. Step 4: Simplify right side
   1,808.04x = 2,787,575.02
5. Step 5: Solve for x
   x = 2,787,575.02/1,808.04
6. Step 6: Final answer
   x = 1,541.77