Finding the Fourth Proportional to 3,744.34, 5,617.18 and 1,279.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,744.34 : 5,617.18 = 1,279.10 : x
2. Step 2: Convert to fraction form
   3,744.34/5,617.18 = 1,279.10/x
3. Step 3: Cross multiply
   3,744.34x = 5,617.18 × 1,279.10
4. Step 4: Simplify right side
   3,744.34x = 7,184,934.94
5. Step 5: Solve for x
   x = 7,184,934.94/3,744.34
6. Step 6: Final answer
   x = 1,918.88