Finding the Fourth Proportional to 1,853.45, 2,557.72 and 1,014.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,853.45 : 2,557.72 = 1,014.15 : x
2. Step 2: Convert to fraction form
   1,853.45/2,557.72 = 1,014.15/x
3. Step 3: Cross multiply
   1,853.45x = 2,557.72 × 1,014.15
4. Step 4: Simplify right side
   1,853.45x = 2,593,900.27
5. Step 5: Solve for x
   x = 2,593,900.27/1,853.45
6. Step 6: Final answer
   x = 1,399.50