Finding the Fourth Proportional to 12,965.62, 17,890.77 and 7,375.54

Step by Step Solution

1. Step 1: Write the proportion equation
   12,965.62 : 17,890.77 = 7,375.54 : x
2. Step 2: Convert to fraction form
   12,965.62/17,890.77 = 7,375.54/x
3. Step 3: Cross multiply
   12,965.62x = 17,890.77 × 7,375.54
4. Step 4: Simplify right side
   12,965.62x = 131,954,089.77
5. Step 5: Solve for x
   x = 131,954,089.77/12,965.62
6. Step 6: Final answer
   x = 10,177.23