Finding the Fourth Proportional to 10,021.72, 14,971.13 and 7,224.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,021.72 : 14,971.13 = 7,224.52 : x
2. Step 2: Convert to fraction form
   10,021.72/14,971.13 = 7,224.52/x
3. Step 3: Cross multiply
   10,021.72x = 14,971.13 × 7,224.52
4. Step 4: Simplify right side
   10,021.72x = 108,159,228.11
5. Step 5: Solve for x
   x = 108,159,228.11/10,021.72
6. Step 6: Final answer
   x = 10,792.48