Finding the Fourth Proportional to 2,678.42, 3,695.32 and 1,559.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,678.42 : 3,695.32 = 1,559.12 : x
2. Step 2: Convert to fraction form
   2,678.42/3,695.32 = 1,559.12/x
3. Step 3: Cross multiply
   2,678.42x = 3,695.32 × 1,559.12
4. Step 4: Simplify right side
   2,678.42x = 5,761,447.57
5. Step 5: Solve for x
   x = 5,761,447.57/2,678.42
6. Step 6: Final answer
   x = 2,151.06