Finding the Fourth Proportional to 9,131.59, 13,697.37 and 2,206.09

Step by Step Solution

1. Step 1: Write the proportion equation
   9,131.59 : 13,697.37 = 2,206.09 : x
2. Step 2: Convert to fraction form
   9,131.59/13,697.37 = 2,206.09/x
3. Step 3: Cross multiply
   9,131.59x = 13,697.37 × 2,206.09
4. Step 4: Simplify right side
   9,131.59x = 30,217,630.98
5. Step 5: Solve for x
   x = 30,217,630.98/9,131.59
6. Step 6: Final answer
   x = 3,309.13