Finding the Fourth Proportional to 17,636.13, 26,453.91 and 7,105.90

Step by Step Solution

1. Step 1: Write the proportion equation
   17,636.13 : 26,453.91 = 7,105.90 : x
2. Step 2: Convert to fraction form
   17,636.13/26,453.91 = 7,105.90/x
3. Step 3: Cross multiply
   17,636.13x = 26,453.91 × 7,105.90
4. Step 4: Simplify right side
   17,636.13x = 187,978,680.15
5. Step 5: Solve for x
   x = 187,978,680.15/17,636.13
6. Step 6: Final answer
   x = 10,658.73