Finding the Fourth Proportional to 1,814.39, 2,503.98 and 1,017.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,814.39 : 2,503.98 = 1,017.79 : x
2. Step 2: Convert to fraction form
   1,814.39/2,503.98 = 1,017.79/x
3. Step 3: Cross multiply
   1,814.39x = 2,503.98 × 1,017.79
4. Step 4: Simplify right side
   1,814.39x = 2,548,519.54
5. Step 5: Solve for x
   x = 2,548,519.54/1,814.39
6. Step 6: Final answer
   x = 1,404.62