Finding the Fourth Proportional to 2,742.15, 4,116.78 and 1,282.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,742.15 : 4,116.78 = 1,282.26 : x
2. Step 2: Convert to fraction form
   2,742.15/4,116.78 = 1,282.26/x
3. Step 3: Cross multiply
   2,742.15x = 4,116.78 × 1,282.26
4. Step 4: Simplify right side
   2,742.15x = 5,278,782.32
5. Step 5: Solve for x
   x = 5,278,782.32/2,742.15
6. Step 6: Final answer
   x = 1,925.05