Finding the Fourth Proportional to 8,694.92, 12,000.89 and 5,339.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,694.92 : 12,000.89 = 5,339.50 : x
2. Step 2: Convert to fraction form
   8,694.92/12,000.89 = 5,339.50/x
3. Step 3: Cross multiply
   8,694.92x = 12,000.89 × 5,339.50
4. Step 4: Simplify right side
   8,694.92x = 64,078,665.45
5. Step 5: Solve for x
   x = 64,078,665.45/8,694.92
6. Step 6: Final answer
   x = 7,369.67