Finding the Fourth Proportional to 2,114.84, 2,918.42 and 1,275.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,114.84 : 2,918.42 = 1,275.54 : x
2. Step 2: Convert to fraction form
   2,114.84/2,918.42 = 1,275.54/x
3. Step 3: Cross multiply
   2,114.84x = 2,918.42 × 1,275.54
4. Step 4: Simplify right side
   2,114.84x = 3,722,561.45
5. Step 5: Solve for x
   x = 3,722,561.45/2,114.84
6. Step 6: Final answer
   x = 1,760.21