Finding the Fourth Proportional to 2,038.17, 3,055.15 and 805.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,038.17 : 3,055.15 = 805.08 : x
2. Step 2: Convert to fraction form
   2,038.17/3,055.15 = 805.08/x
3. Step 3: Cross multiply
   2,038.17x = 3,055.15 × 805.08
4. Step 4: Simplify right side
   2,038.17x = 2,459,640.16
5. Step 5: Solve for x
   x = 2,459,640.16/2,038.17
6. Step 6: Final answer
   x = 1,206.79