Finding the Fourth Proportional to 3,805.06, 5,705.89 and 1,339.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,805.06 : 5,705.89 = 1,339.15 : x
2. Step 2: Convert to fraction form
   3,805.06/5,705.89 = 1,339.15/x
3. Step 3: Cross multiply
   3,805.06x = 5,705.89 × 1,339.15
4. Step 4: Simplify right side
   3,805.06x = 7,641,042.59
5. Step 5: Solve for x
   x = 7,641,042.59/3,805.06
6. Step 6: Final answer
   x = 2,008.13