Finding the Fourth Proportional to 9,336.22, 12,883.98 and 5,144.47

Step by Step Solution

1. Step 1: Write the proportion equation
   9,336.22 : 12,883.98 = 5,144.47 : x
2. Step 2: Convert to fraction form
   9,336.22/12,883.98 = 5,144.47/x
3. Step 3: Cross multiply
   9,336.22x = 12,883.98 × 5,144.47
4. Step 4: Simplify right side
   9,336.22x = 66,281,248.59
5. Step 5: Solve for x
   x = 66,281,248.59/9,336.22
6. Step 6: Final answer
   x = 7,099.37