Finding the Fourth Proportional to 11,924.72, 17,893.38 and 8,664.76

Step by Step Solution

1. Step 1: Write the proportion equation
   11,924.72 : 17,893.38 = 8,664.76 : x
2. Step 2: Convert to fraction form
   11,924.72/17,893.38 = 8,664.76/x
3. Step 3: Cross multiply
   11,924.72x = 17,893.38 × 8,664.76
4. Step 4: Simplify right side
   11,924.72x = 155,041,843.29
5. Step 5: Solve for x
   x = 155,041,843.29/11,924.72
6. Step 6: Final answer
   x = 13,001.72