Finding the Fourth Proportional to 11,410.88, 17,119.05 and 3,619.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,410.88 : 17,119.05 = 3,619.69 : x
2. Step 2: Convert to fraction form
   11,410.88/17,119.05 = 3,619.69/x
3. Step 3: Cross multiply
   11,410.88x = 17,119.05 × 3,619.69
4. Step 4: Simplify right side
   11,410.88x = 61,965,597.72
5. Step 5: Solve for x
   x = 61,965,597.72/11,410.88
6. Step 6: Final answer
   x = 5,430.40