Finding the Fourth Proportional to 11,601.30, 16,013.25 and 9,242.58

Step by Step Solution

1. Step 1: Write the proportion equation
   11,601.30 : 16,013.25 = 9,242.58 : x
2. Step 2: Convert to fraction form
   11,601.30/16,013.25 = 9,242.58/x
3. Step 3: Cross multiply
   11,601.30x = 16,013.25 × 9,242.58
4. Step 4: Simplify right side
   11,601.30x = 148,003,744.19
5. Step 5: Solve for x
   x = 148,003,744.19/11,601.30
6. Step 6: Final answer
   x = 12,757.51