Finding the Fourth Proportional to 10,453.28, 14,426.72 and 7,265.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,453.28 : 14,426.72 = 7,265.72 : x
2. Step 2: Convert to fraction form
   10,453.28/14,426.72 = 7,265.72/x
3. Step 3: Cross multiply
   10,453.28x = 14,426.72 × 7,265.72
4. Step 4: Simplify right side
   10,453.28x = 104,820,399.58
5. Step 5: Solve for x
   x = 104,820,399.58/10,453.28
6. Step 6: Final answer
   x = 10,027.52