Finding the Fourth Proportional to 11,945.56, 17,885.94 and 8,243.32

Step by Step Solution

1. Step 1: Write the proportion equation
   11,945.56 : 17,885.94 = 8,243.32 : x
2. Step 2: Convert to fraction form
   11,945.56/17,885.94 = 8,243.32/x
3. Step 3: Cross multiply
   11,945.56x = 17,885.94 × 8,243.32
4. Step 4: Simplify right side
   11,945.56x = 147,439,526.92
5. Step 5: Solve for x
   x = 147,439,526.92/11,945.56
6. Step 6: Final answer
   x = 12,342.62