Finding the Fourth Proportional to 8,172.69, 12,264.22 and 3,492.73

Step by Step Solution

1. Step 1: Write the proportion equation
   8,172.69 : 12,264.22 = 3,492.73 : x
2. Step 2: Convert to fraction form
   8,172.69/12,264.22 = 3,492.73/x
3. Step 3: Cross multiply
   8,172.69x = 12,264.22 × 3,492.73
4. Step 4: Simplify right side
   8,172.69x = 42,835,609.12
5. Step 5: Solve for x
   x = 42,835,609.12/8,172.69
6. Step 6: Final answer
   x = 5,241.31