Finding the Fourth Proportional to 2,712.14, 3,742.72 and 1,517.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,712.14 : 3,742.72 = 1,517.12 : x
2. Step 2: Convert to fraction form
   2,712.14/3,742.72 = 1,517.12/x
3. Step 3: Cross multiply
   2,712.14x = 3,742.72 × 1,517.12
4. Step 4: Simplify right side
   2,712.14x = 5,678,155.37
5. Step 5: Solve for x
   x = 5,678,155.37/2,712.14
6. Step 6: Final answer
   x = 2,093.61