Finding the Fourth Proportional to 11,618.24, 17,418.42 and 5,770.31

Step by Step Solution

1. Step 1: Write the proportion equation
   11,618.24 : 17,418.42 = 5,770.31 : x
2. Step 2: Convert to fraction form
   11,618.24/17,418.42 = 5,770.31/x
3. Step 3: Cross multiply
   11,618.24x = 17,418.42 × 5,770.31
4. Step 4: Simplify right side
   11,618.24x = 100,509,596.02
5. Step 5: Solve for x
   x = 100,509,596.02/11,618.24
6. Step 6: Final answer
   x = 8,651.02