Finding the Fourth Proportional to 17,766.69, 26,642.43 and 6,665.69

Step by Step Solution

1. Step 1: Write the proportion equation
   17,766.69 : 26,642.43 = 6,665.69 : x
2. Step 2: Convert to fraction form
   17,766.69/26,642.43 = 6,665.69/x
3. Step 3: Cross multiply
   17,766.69x = 26,642.43 × 6,665.69
4. Step 4: Simplify right side
   17,766.69x = 177,590,046.01
5. Step 5: Solve for x
   x = 177,590,046.01/17,766.69
6. Step 6: Final answer
   x = 9,995.67