Finding the Fourth Proportional to 1,853.43, 2,557.71 and 1,014.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,853.43 : 2,557.71 = 1,014.12 : x
2. Step 2: Convert to fraction form
   1,853.43/2,557.71 = 1,014.12/x
3. Step 3: Cross multiply
   1,853.43x = 2,557.71 × 1,014.12
4. Step 4: Simplify right side
   1,853.43x = 2,593,826.81
5. Step 5: Solve for x
   x = 2,593,826.81/1,853.43
6. Step 6: Final answer
   x = 1,399.48