Finding the Fourth Proportional to 16,728.04, 25,117.34 and 13,293.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,728.04 : 25,117.34 = 13,293.16 : x
2. Step 2: Convert to fraction form
   16,728.04/25,117.34 = 13,293.16/x
3. Step 3: Cross multiply
   16,728.04x = 25,117.34 × 13,293.16
4. Step 4: Simplify right side
   16,728.04x = 333,888,819.39
5. Step 5: Solve for x
   x = 333,888,819.39/16,728.04
6. Step 6: Final answer
   x = 19,959.83