Finding the Fourth Proportional to 2,086.16, 3,127.17 and 1,162.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,086.16 : 3,127.17 = 1,162.15 : x
2. Step 2: Convert to fraction form
   2,086.16/3,127.17 = 1,162.15/x
3. Step 3: Cross multiply
   2,086.16x = 3,127.17 × 1,162.15
4. Step 4: Simplify right side
   2,086.16x = 3,634,237.16
5. Step 5: Solve for x
   x = 3,634,237.16/2,086.16
6. Step 6: Final answer
   x = 1,742.07