Finding the Fourth Proportional to 1,144.22, 1,719.50 and 1,116.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,144.22 : 1,719.50 = 1,116.43 : x
2. Step 2: Convert to fraction form
   1,144.22/1,719.50 = 1,116.43/x
3. Step 3: Cross multiply
   1,144.22x = 1,719.50 × 1,116.43
4. Step 4: Simplify right side
   1,144.22x = 1,919,691.50
5. Step 5: Solve for x
   x = 1,919,691.50/1,144.22
6. Step 6: Final answer
   x = 1,677.74