Finding the Fourth Proportional to 9,363.93, 12,895.90 and 9,159.81

Step by Step Solution

1. Step 1: Write the proportion equation
   9,363.93 : 12,895.90 = 9,159.81 : x
2. Step 2: Convert to fraction form
   9,363.93/12,895.90 = 9,159.81/x
3. Step 3: Cross multiply
   9,363.93x = 12,895.90 × 9,159.81
4. Step 4: Simplify right side
   9,363.93x = 118,123,993.78
5. Step 5: Solve for x
   x = 118,123,993.78/9,363.93
6. Step 6: Final answer
   x = 12,614.79