Finding the Fourth Proportional to 16,924.32, 23,333.16 and 13,888.32

Step by Step Solution

1. Step 1: Write the proportion equation
   16,924.32 : 23,333.16 = 13,888.32 : x
2. Step 2: Convert to fraction form
   16,924.32/23,333.16 = 13,888.32/x
3. Step 3: Cross multiply
   16,924.32x = 23,333.16 × 13,888.32
4. Step 4: Simplify right side
   16,924.32x = 324,058,392.69
5. Step 5: Solve for x
   x = 324,058,392.69/16,924.32
6. Step 6: Final answer
   x = 19,147.50