Finding the Fourth Proportional to 12,748.38, 17,601.24 and 7,975.54

Step by Step Solution

1. Step 1: Write the proportion equation
   12,748.38 : 17,601.24 = 7,975.54 : x
2. Step 2: Convert to fraction form
   12,748.38/17,601.24 = 7,975.54/x
3. Step 3: Cross multiply
   12,748.38x = 17,601.24 × 7,975.54
4. Step 4: Simplify right side
   12,748.38x = 140,379,393.67
5. Step 5: Solve for x
   x = 140,379,393.67/12,748.38
6. Step 6: Final answer
   x = 11,011.55