Finding the Fourth Proportional to 17,443.37, 26,168.30 and 8,077.20

Step by Step Solution

1. Step 1: Write the proportion equation
   17,443.37 : 26,168.30 = 8,077.20 : x
2. Step 2: Convert to fraction form
   17,443.37/26,168.30 = 8,077.20/x
3. Step 3: Cross multiply
   17,443.37x = 26,168.30 × 8,077.20
4. Step 4: Simplify right side
   17,443.37x = 211,366,552.37
5. Step 5: Solve for x
   x = 211,366,552.37/17,443.37
6. Step 6: Final answer
   x = 12,117.30