Finding the Fourth Proportional to 11,743.29, 17,612.33 and 3,421.53

Step by Step Solution

1. Step 1: Write the proportion equation
   11,743.29 : 17,612.33 = 3,421.53 : x
2. Step 2: Convert to fraction form
   11,743.29/17,612.33 = 3,421.53/x
3. Step 3: Cross multiply
   11,743.29x = 17,612.33 × 3,421.53
4. Step 4: Simplify right side
   11,743.29x = 60,261,098.36
5. Step 5: Solve for x
   x = 60,261,098.36/11,743.29
6. Step 6: Final answer
   x = 5,131.53