Finding the Fourth Proportional to 11,911.36, 17,861.25 and 3,589.83

Step by Step Solution

1. Step 1: Write the proportion equation
   11,911.36 : 17,861.25 = 3,589.83 : x
2. Step 2: Convert to fraction form
   11,911.36/17,861.25 = 3,589.83/x
3. Step 3: Cross multiply
   11,911.36x = 17,861.25 × 3,589.83
4. Step 4: Simplify right side
   11,911.36x = 64,118,851.09
5. Step 5: Solve for x
   x = 64,118,851.09/11,911.36
6. Step 6: Final answer
   x = 5,383.00