Finding the Fourth Proportional to 9,388.92, 12,951.71 and 5,805.89

Step by Step Solution

1. Step 1: Write the proportion equation
   9,388.92 : 12,951.71 = 5,805.89 : x
2. Step 2: Convert to fraction form
   9,388.92/12,951.71 = 5,805.89/x
3. Step 3: Cross multiply
   9,388.92x = 12,951.71 × 5,805.89
4. Step 4: Simplify right side
   9,388.92x = 75,196,138.81
5. Step 5: Solve for x
   x = 75,196,138.81/9,388.92
6. Step 6: Final answer
   x = 8,009.03