Finding the Fourth Proportional to 9,336.37, 12,884.33 and 5,144.53

Step by Step Solution

1. Step 1: Write the proportion equation
   9,336.37 : 12,884.33 = 5,144.53 : x
2. Step 2: Convert to fraction form
   9,336.37/12,884.33 = 5,144.53/x
3. Step 3: Cross multiply
   9,336.37x = 12,884.33 × 5,144.53
4. Step 4: Simplify right side
   9,336.37x = 66,283,796.49
5. Step 5: Solve for x
   x = 66,283,796.49/9,336.37
6. Step 6: Final answer
   x = 7,099.53