Finding the Fourth Proportional to 10,352.79, 14,270.72 and 8,671.23

Step by Step Solution

1. Step 1: Write the proportion equation
   10,352.79 : 14,270.72 = 8,671.23 : x
2. Step 2: Convert to fraction form
   10,352.79/14,270.72 = 8,671.23/x
3. Step 3: Cross multiply
   10,352.79x = 14,270.72 × 8,671.23
4. Step 4: Simplify right side
   10,352.79x = 123,744,652.03
5. Step 5: Solve for x
   x = 123,744,652.03/10,352.79
6. Step 6: Final answer
   x = 11,952.78