Finding the Fourth Proportional to 1,814.18, 2,503.42 and 1,017.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,814.18 : 2,503.42 = 1,017.32 : x
2. Step 2: Convert to fraction form
   1,814.18/2,503.42 = 1,017.32/x
3. Step 3: Cross multiply
   1,814.18x = 2,503.42 × 1,017.32
4. Step 4: Simplify right side
   1,814.18x = 2,546,777.38
5. Step 5: Solve for x
   x = 2,546,777.38/1,814.18
6. Step 6: Final answer
   x = 1,403.82