Finding the Fourth Proportional to 17,629.98, 26,436.69 and 8,266.86

Step by Step Solution

1. Step 1: Write the proportion equation
   17,629.98 : 26,436.69 = 8,266.86 : x
2. Step 2: Convert to fraction form
   17,629.98/26,436.69 = 8,266.86/x
3. Step 3: Cross multiply
   17,629.98x = 26,436.69 × 8,266.86
4. Step 4: Simplify right side
   17,629.98x = 218,548,415.09
5. Step 5: Solve for x
   x = 218,548,415.09/17,629.98
6. Step 6: Final answer
   x = 12,396.41