Finding the Fourth Proportional to 1,853.39, 2,557.69 and 1,014.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,853.39 : 2,557.69 = 1,014.12 : x
2. Step 2: Convert to fraction form
   1,853.39/2,557.69 = 1,014.12/x
3. Step 3: Cross multiply
   1,853.39x = 2,557.69 × 1,014.12
4. Step 4: Simplify right side
   1,853.39x = 2,593,791.79
5. Step 5: Solve for x
   x = 2,593,791.79/1,853.39
6. Step 6: Final answer
   x = 1,399.49