Finding the Fourth Proportional to 1,808.01, 2,493.68 and 1,144.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,808.01 : 2,493.68 = 1,144.71 : x
2. Step 2: Convert to fraction form
   1,808.01/2,493.68 = 1,144.71/x
3. Step 3: Cross multiply
   1,808.01x = 2,493.68 × 1,144.71
4. Step 4: Simplify right side
   1,808.01x = 2,854,534.71
5. Step 5: Solve for x
   x = 2,854,534.71/1,808.01
6. Step 6: Final answer
   x = 1,578.83