Finding the Fourth Proportional to 9,805.82, 14,707.17 and 8,150.57

Step by Step Solution

1. Step 1: Write the proportion equation
   9,805.82 : 14,707.17 = 8,150.57 : x
2. Step 2: Convert to fraction form
   9,805.82/14,707.17 = 8,150.57/x
3. Step 3: Cross multiply
   9,805.82x = 14,707.17 × 8,150.57
4. Step 4: Simplify right side
   9,805.82x = 119,871,818.59
5. Step 5: Solve for x
   x = 119,871,818.59/9,805.82
6. Step 6: Final answer
   x = 12,224.56