Finding the Fourth Proportional to 2,112.66, 2,914.76 and 1,367.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,112.66 : 2,914.76 = 1,367.56 : x
2. Step 2: Convert to fraction form
   2,112.66/2,914.76 = 1,367.56/x
3. Step 3: Cross multiply
   2,112.66x = 2,914.76 × 1,367.56
4. Step 4: Simplify right side
   2,112.66x = 3,986,109.19
5. Step 5: Solve for x
   x = 3,986,109.19/2,112.66
6. Step 6: Final answer
   x = 1,886.77