Finding the Fourth Proportional to 2,685.28, 3,705.56 and 1,506.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,685.28 : 3,705.56 = 1,506.48 : x
2. Step 2: Convert to fraction form
   2,685.28/3,705.56 = 1,506.48/x
3. Step 3: Cross multiply
   2,685.28x = 3,705.56 × 1,506.48
4. Step 4: Simplify right side
   2,685.28x = 5,582,352.03
5. Step 5: Solve for x
   x = 5,582,352.03/2,685.28
6. Step 6: Final answer
   x = 2,078.87