Finding the Fourth Proportional to 2,114.27, 2,918.72 and 1,407.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,114.27 : 2,918.72 = 1,407.29 : x
2. Step 2: Convert to fraction form
   2,114.27/2,918.72 = 1,407.29/x
3. Step 3: Cross multiply
   2,114.27x = 2,918.72 × 1,407.29
4. Step 4: Simplify right side
   2,114.27x = 4,107,478.43
5. Step 5: Solve for x
   x = 4,107,478.43/2,114.27
6. Step 6: Final answer
   x = 1,942.74