Finding the Fourth Proportional to 1,814.10, 2,503.47 and 1,028.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,814.10 : 2,503.47 = 1,028.16 : x
2. Step 2: Convert to fraction form
   1,814.10/2,503.47 = 1,028.16/x
3. Step 3: Cross multiply
   1,814.10x = 2,503.47 × 1,028.16
4. Step 4: Simplify right side
   1,814.10x = 2,573,967.72
5. Step 5: Solve for x
   x = 2,573,967.72/1,814.10
6. Step 6: Final answer
   x = 1,418.87