Finding the Fourth Proportional to 8,443.62, 12,665.50 and 2,896.83

Step by Step Solution

1. Step 1: Write the proportion equation
   8,443.62 : 12,665.50 = 2,896.83 : x
2. Step 2: Convert to fraction form
   8,443.62/12,665.50 = 2,896.83/x
3. Step 3: Cross multiply
   8,443.62x = 12,665.50 × 2,896.83
4. Step 4: Simplify right side
   8,443.62x = 36,689,793.12
5. Step 5: Solve for x
   x = 36,689,793.12/8,443.62
6. Step 6: Final answer
   x = 4,345.27