Finding the Fourth Proportional to 15,738.15, 21,721.56 and 9,023.83

Step by Step Solution

1. Step 1: Write the proportion equation
   15,738.15 : 21,721.56 = 9,023.83 : x
2. Step 2: Convert to fraction form
   15,738.15/21,721.56 = 9,023.83/x
3. Step 3: Cross multiply
   15,738.15x = 21,721.56 × 9,023.83
4. Step 4: Simplify right side
   15,738.15x = 196,011,556.17
5. Step 5: Solve for x
   x = 196,011,556.17/15,738.15
6. Step 6: Final answer
   x = 12,454.55