Finding the Fourth Proportional to 2,685.30, 3,705.78 and 1,506.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,685.30 : 3,705.78 = 1,506.36 : x
2. Step 2: Convert to fraction form
   2,685.30/3,705.78 = 1,506.36/x
3. Step 3: Cross multiply
   2,685.30x = 3,705.78 × 1,506.36
4. Step 4: Simplify right side
   2,685.30x = 5,582,238.76
5. Step 5: Solve for x
   x = 5,582,238.76/2,685.30
6. Step 6: Final answer
   x = 2,078.81