Finding the Fourth Proportional to 11,401.56, 17,108.26 and 8,627.41

Step by Step Solution

1. Step 1: Write the proportion equation
   11,401.56 : 17,108.26 = 8,627.41 : x
2. Step 2: Convert to fraction form
   11,401.56/17,108.26 = 8,627.41/x
3. Step 3: Cross multiply
   11,401.56x = 17,108.26 × 8,627.41
4. Step 4: Simplify right side
   11,401.56x = 147,599,973.41
5. Step 5: Solve for x
   x = 147,599,973.41/11,401.56
6. Step 6: Final answer
   x = 12,945.59