Finding the Fourth Proportional to 8,983.72, 12,398.63 and 5,446.92

Step by Step Solution

1. Step 1: Write the proportion equation
   8,983.72 : 12,398.63 = 5,446.92 : x
2. Step 2: Convert to fraction form
   8,983.72/12,398.63 = 5,446.92/x
3. Step 3: Cross multiply
   8,983.72x = 12,398.63 × 5,446.92
4. Step 4: Simplify right side
   8,983.72x = 67,534,345.72
5. Step 5: Solve for x
   x = 67,534,345.72/8,983.72
6. Step 6: Final answer
   x = 7,517.41