Finding the Fourth Proportional to 8,272.12, 12,418.71 and 5,362.60

Step by Step Solution

1. Step 1: Write the proportion equation
   8,272.12 : 12,418.71 = 5,362.60 : x
2. Step 2: Convert to fraction form
   8,272.12/12,418.71 = 5,362.60/x
3. Step 3: Cross multiply
   8,272.12x = 12,418.71 × 5,362.60
4. Step 4: Simplify right side
   8,272.12x = 66,596,574.25
5. Step 5: Solve for x
   x = 66,596,574.25/8,272.12
6. Step 6: Final answer
   x = 8,050.73