Finding the Fourth Proportional to 11,379.69, 17,071.41 and 3,586.68

Step by Step Solution

1. Step 1: Write the proportion equation
   11,379.69 : 17,071.41 = 3,586.68 : x
2. Step 2: Convert to fraction form
   11,379.69/17,071.41 = 3,586.68/x
3. Step 3: Cross multiply
   11,379.69x = 17,071.41 × 3,586.68
4. Step 4: Simplify right side
   11,379.69x = 61,229,684.82
5. Step 5: Solve for x
   x = 61,229,684.82/11,379.69
6. Step 6: Final answer
   x = 5,380.61