Finding the Fourth Proportional to 11,743.70, 17,613.83 and 3,421.49

Step by Step Solution

1. Step 1: Write the proportion equation
   11,743.70 : 17,613.83 = 3,421.49 : x
2. Step 2: Convert to fraction form
   11,743.70/17,613.83 = 3,421.49/x
3. Step 3: Cross multiply
   11,743.70x = 17,613.83 × 3,421.49
4. Step 4: Simplify right side
   11,743.70x = 60,265,438.03
5. Step 5: Solve for x
   x = 60,265,438.03/11,743.70
6. Step 6: Final answer
   x = 5,131.73