Finding the Fourth Proportional to 11,710.17, 17,566.47 and 3,919.59

Step by Step Solution

1. Step 1: Write the proportion equation
   11,710.17 : 17,566.47 = 3,919.59 : x
2. Step 2: Convert to fraction form
   11,710.17/17,566.47 = 3,919.59/x
3. Step 3: Cross multiply
   11,710.17x = 17,566.47 × 3,919.59
4. Step 4: Simplify right side
   11,710.17x = 68,853,360.15
5. Step 5: Solve for x
   x = 68,853,360.15/11,710.17
6. Step 6: Final answer
   x = 5,879.79