Finding the Fourth Proportional to 9,707.15, 13,377.34 and 8,362.34

Step by Step Solution

1. Step 1: Write the proportion equation
   9,707.15 : 13,377.34 = 8,362.34 : x
2. Step 2: Convert to fraction form
   9,707.15/13,377.34 = 8,362.34/x
3. Step 3: Cross multiply
   9,707.15x = 13,377.34 × 8,362.34
4. Step 4: Simplify right side
   9,707.15x = 111,865,823.56
5. Step 5: Solve for x
   x = 111,865,823.56/9,707.15
6. Step 6: Final answer
   x = 11,524.06