Finding the Fourth Proportional to 2,111.68, 2,913.92 and 1,314.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111.68 : 2,913.92 = 1,314.94 : x
2. Step 2: Convert to fraction form
   2,111.68/2,913.92 = 1,314.94/x
3. Step 3: Cross multiply
   2,111.68x = 2,913.92 × 1,314.94
4. Step 4: Simplify right side
   2,111.68x = 3,831,629.96
5. Step 5: Solve for x
   x = 3,831,629.96/2,111.68
6. Step 6: Final answer
   x = 1,814.49