Finding the Fourth Proportional to 11,401.50, 17,102.09 and 3,610.31

Step by Step Solution

1. Step 1: Write the proportion equation
   11,401.50 : 17,102.09 = 3,610.31 : x
2. Step 2: Convert to fraction form
   11,401.50/17,102.09 = 3,610.31/x
3. Step 3: Cross multiply
   11,401.50x = 17,102.09 × 3,610.31
4. Step 4: Simplify right side
   11,401.50x = 61,743,846.55
5. Step 5: Solve for x
   x = 61,743,846.55/11,401.50
6. Step 6: Final answer
   x = 5,415.41