Finding the Fourth Proportional to 16,388.32, 22,618.79 and 9,673.51

Step by Step Solution

1. Step 1: Write the proportion equation
   16,388.32 : 22,618.79 = 9,673.51 : x
2. Step 2: Convert to fraction form
   16,388.32/22,618.79 = 9,673.51/x
3. Step 3: Cross multiply
   16,388.32x = 22,618.79 × 9,673.51
4. Step 4: Simplify right side
   16,388.32x = 218,803,091.25
5. Step 5: Solve for x
   x = 218,803,091.25/16,388.32
6. Step 6: Final answer
   x = 13,351.16