Finding the Fourth Proportional to 8,126.06, 12,190.98 and 3,446.47

Step by Step Solution

1. Step 1: Write the proportion equation
   8,126.06 : 12,190.98 = 3,446.47 : x
2. Step 2: Convert to fraction form
   8,126.06/12,190.98 = 3,446.47/x
3. Step 3: Cross multiply
   8,126.06x = 12,190.98 × 3,446.47
4. Step 4: Simplify right side
   8,126.06x = 42,015,785.89
5. Step 5: Solve for x
   x = 42,015,785.89/8,126.06
6. Step 6: Final answer
   x = 5,170.50