Finding the Fourth Proportional to 10,441.72, 14,409.66 and 5,725.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,441.72 : 14,409.66 = 5,725.72 : x
2. Step 2: Convert to fraction form
   10,441.72/14,409.66 = 5,725.72/x
3. Step 3: Cross multiply
   10,441.72x = 14,409.66 × 5,725.72
4. Step 4: Simplify right side
   10,441.72x = 82,505,678.46
5. Step 5: Solve for x
   x = 82,505,678.46/10,441.72
6. Step 6: Final answer
   x = 7,901.54