Finding the Fourth Proportional to 1,444.10, 1,992.89 and 814.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,444.10 : 1,992.89 = 814.60 : x
2. Step 2: Convert to fraction form
   1,444.10/1,992.89 = 814.60/x
3. Step 3: Cross multiply
   1,444.10x = 1,992.89 × 814.60
4. Step 4: Simplify right side
   1,444.10x = 1,623,408.19
5. Step 5: Solve for x
   x = 1,623,408.19/1,444.10
6. Step 6: Final answer
   x = 1,124.17