Finding the Fourth Proportional to 2,114.91, 2,918.61 and 1,275.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,114.91 : 2,918.61 = 1,275.93 : x
2. Step 2: Convert to fraction form
   2,114.91/2,918.61 = 1,275.93/x
3. Step 3: Cross multiply
   2,114.91x = 2,918.61 × 1,275.93
4. Step 4: Simplify right side
   2,114.91x = 3,723,942.06
5. Step 5: Solve for x
   x = 3,723,942.06/2,114.91
6. Step 6: Final answer
   x = 1,760.80