Finding the Fourth Proportional to 9,228.69, 12,741.71 and 5,697.09

Step by Step Solution

1. Step 1: Write the proportion equation
   9,228.69 : 12,741.71 = 5,697.09 : x
2. Step 2: Convert to fraction form
   9,228.69/12,741.71 = 5,697.09/x
3. Step 3: Cross multiply
   9,228.69x = 12,741.71 × 5,697.09
4. Step 4: Simplify right side
   9,228.69x = 72,590,640.14
5. Step 5: Solve for x
   x = 72,590,640.14/9,228.69
6. Step 6: Final answer
   x = 7,865.76