Finding the Fourth Proportional to 17,443.84, 26,126.16 and 8,659.12

Step by Step Solution

1. Step 1: Write the proportion equation
   17,443.84 : 26,126.16 = 8,659.12 : x
2. Step 2: Convert to fraction form
   17,443.84/26,126.16 = 8,659.12/x
3. Step 3: Cross multiply
   17,443.84x = 26,126.16 × 8,659.12
4. Step 4: Simplify right side
   17,443.84x = 226,229,554.58
5. Step 5: Solve for x
   x = 226,229,554.58/17,443.84
6. Step 6: Final answer
   x = 12,969.02