Finding the Fourth Proportional to 8,993.72, 12,417.36 and 8,046.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,993.72 : 12,417.36 = 8,046.56 : x
2. Step 2: Convert to fraction form
   8,993.72/12,417.36 = 8,046.56/x
3. Step 3: Cross multiply
   8,993.72x = 12,417.36 × 8,046.56
4. Step 4: Simplify right side
   8,993.72x = 99,917,032.28
5. Step 5: Solve for x
   x = 99,917,032.28/8,993.72
6. Step 6: Final answer
   x = 11,109.64