Finding the Fourth Proportional to 17,936.69, 26,890.18 and 8,572.01

Step by Step Solution

1. Step 1: Write the proportion equation
   17,936.69 : 26,890.18 = 8,572.01 : x
2. Step 2: Convert to fraction form
   17,936.69/26,890.18 = 8,572.01/x
3. Step 3: Cross multiply
   17,936.69x = 26,890.18 × 8,572.01
4. Step 4: Simplify right side
   17,936.69x = 230,502,735.98
5. Step 5: Solve for x
   x = 230,502,735.98/17,936.69
6. Step 6: Final answer
   x = 12,850.91