Finding the Fourth Proportional to 9,336.59, 12,884.01 and 5,357.44

Step by Step Solution

1. Step 1: Write the proportion equation
   9,336.59 : 12,884.01 = 5,357.44 : x
2. Step 2: Convert to fraction form
   9,336.59/12,884.01 = 5,357.44/x
3. Step 3: Cross multiply
   9,336.59x = 12,884.01 × 5,357.44
4. Step 4: Simplify right side
   9,336.59x = 69,025,310.53
5. Step 5: Solve for x
   x = 69,025,310.53/9,336.59
6. Step 6: Final answer
   x = 7,392.99