Finding the Fourth Proportional to 23,153.92, 31,952.37 and 12,543.82

Step by Step Solution

1. Step 1: Write the proportion equation
   23,153.92 : 31,952.37 = 12,543.82 : x
2. Step 2: Convert to fraction form
   23,153.92/31,952.37 = 12,543.82/x
3. Step 3: Cross multiply
   23,153.92x = 31,952.37 × 12,543.82
4. Step 4: Simplify right side
   23,153.92x = 400,804,777.85
5. Step 5: Solve for x
   x = 400,804,777.85/23,153.92
6. Step 6: Final answer
   x = 17,310.45