Finding the Fourth Proportional to 15,321.72, 22,968.72 and 10,643.93

Step by Step Solution

1. Step 1: Write the proportion equation
   15,321.72 : 22,968.72 = 10,643.93 : x
2. Step 2: Convert to fraction form
   15,321.72/22,968.72 = 10,643.93/x
3. Step 3: Cross multiply
   15,321.72x = 22,968.72 × 10,643.93
4. Step 4: Simplify right side
   15,321.72x = 244,477,333.03
5. Step 5: Solve for x
   x = 244,477,333.03/15,321.72
6. Step 6: Final answer
   x = 15,956.26