Finding the Fourth Proportional to 17,609.42, 26,404.40 and 7,228.46

Step by Step Solution

1. Step 1: Write the proportion equation
   17,609.42 : 26,404.40 = 7,228.46 : x
2. Step 2: Convert to fraction form
   17,609.42/26,404.40 = 7,228.46/x
3. Step 3: Cross multiply
   17,609.42x = 26,404.40 × 7,228.46
4. Step 4: Simplify right side
   17,609.42x = 190,863,035.27
5. Step 5: Solve for x
   x = 190,863,035.27/17,609.42
6. Step 6: Final answer
   x = 10,838.69