Finding the Fourth Proportional to 3,091.34, 4,636.20 and 1,144.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,091.34 : 4,636.20 = 1,144.10 : x
2. Step 2: Convert to fraction form
   3,091.34/4,636.20 = 1,144.10/x
3. Step 3: Cross multiply
   3,091.34x = 4,636.20 × 1,144.10
4. Step 4: Simplify right side
   3,091.34x = 5,304,276.42
5. Step 5: Solve for x
   x = 5,304,276.42/3,091.34
6. Step 6: Final answer
   x = 1,715.85