Finding the Fourth Proportional to 11,429.10, 17,137.98 and 3,636.90

Step by Step Solution

1. Step 1: Write the proportion equation
   11,429.10 : 17,137.98 = 3,636.90 : x
2. Step 2: Convert to fraction form
   11,429.10/17,137.98 = 3,636.90/x
3. Step 3: Cross multiply
   11,429.10x = 17,137.98 × 3,636.90
4. Step 4: Simplify right side
   11,429.10x = 62,329,119.46
5. Step 5: Solve for x
   x = 62,329,119.46/11,429.10
6. Step 6: Final answer
   x = 5,453.55