Finding the Fourth Proportional to 1,814.01, 2,503.34 and 1,028.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,814.01 : 2,503.34 = 1,028.06 : x
2. Step 2: Convert to fraction form
   1,814.01/2,503.34 = 1,028.06/x
3. Step 3: Cross multiply
   1,814.01x = 2,503.34 × 1,028.06
4. Step 4: Simplify right side
   1,814.01x = 2,573,573.77
5. Step 5: Solve for x
   x = 2,573,573.77/1,814.01
6. Step 6: Final answer
   x = 1,418.72