Finding the Fourth Proportional to 11,419.87, 17,132.52 and 3,628.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,419.87 : 17,132.52 = 3,628.69 : x
2. Step 2: Convert to fraction form
   11,419.87/17,132.52 = 3,628.69/x
3. Step 3: Cross multiply
   11,419.87x = 17,132.52 × 3,628.69
4. Step 4: Simplify right side
   11,419.87x = 62,168,604.00
5. Step 5: Solve for x
   x = 62,168,604.00/11,419.87
6. Step 6: Final answer
   x = 5,443.90