Finding the Fourth Proportional to 8,168.95, 12,250.23 and 3,491.20

Step by Step Solution

1. Step 1: Write the proportion equation
   8,168.95 : 12,250.23 = 3,491.20 : x
2. Step 2: Convert to fraction form
   8,168.95/12,250.23 = 3,491.20/x
3. Step 3: Cross multiply
   8,168.95x = 12,250.23 × 3,491.20
4. Step 4: Simplify right side
   8,168.95x = 42,768,002.98
5. Step 5: Solve for x
   x = 42,768,002.98/8,168.95
6. Step 6: Final answer
   x = 5,235.43