Finding the Fourth Proportional to 12,967.88, 17,896.88 and 7,378.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,967.88 : 17,896.88 = 7,378.88 : x
2. Step 2: Convert to fraction form
   12,967.88/17,896.88 = 7,378.88/x
3. Step 3: Cross multiply
   12,967.88x = 17,896.88 × 7,378.88
4. Step 4: Simplify right side
   12,967.88x = 132,058,858.86
5. Step 5: Solve for x
   x = 132,058,858.86/12,967.88
6. Step 6: Final answer
   x = 10,183.54