Finding the Fourth Proportional to 11,429.59, 17,144.54 and 3,638.41

Step by Step Solution

1. Step 1: Write the proportion equation
   11,429.59 : 17,144.54 = 3,638.41 : x
2. Step 2: Convert to fraction form
   11,429.59/17,144.54 = 3,638.41/x
3. Step 3: Cross multiply
   11,429.59x = 17,144.54 × 3,638.41
4. Step 4: Simplify right side
   11,429.59x = 62,378,865.78
5. Step 5: Solve for x
   x = 62,378,865.78/11,429.59
6. Step 6: Final answer
   x = 5,457.66