Finding the Fourth Proportional to 9,440.72, 14,106.65 and 7,206.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,440.72 : 14,106.65 = 7,206.72 : x
2. Step 2: Convert to fraction form
   9,440.72/14,106.65 = 7,206.72/x
3. Step 3: Cross multiply
   9,440.72x = 14,106.65 × 7,206.72
4. Step 4: Simplify right side
   9,440.72x = 101,662,676.69
5. Step 5: Solve for x
   x = 101,662,676.69/9,440.72
6. Step 6: Final answer
   x = 10,768.53