Finding the Fourth Proportional to 2,086.70, 3,127.14 and 1,162.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,086.70 : 3,127.14 = 1,162.76 : x
2. Step 2: Convert to fraction form
   2,086.70/3,127.14 = 1,162.76/x
3. Step 3: Cross multiply
   2,086.70x = 3,127.14 × 1,162.76
4. Step 4: Simplify right side
   2,086.70x = 3,636,097.67
5. Step 5: Solve for x
   x = 3,636,097.67/2,086.70
6. Step 6: Final answer
   x = 1,742.52