Finding the Fourth Proportional to 23,132.16, 31,922.64 and 13,574.16

Step by Step Solution

1. Step 1: Write the proportion equation
   23,132.16 : 31,922.64 = 13,574.16 : x
2. Step 2: Convert to fraction form
   23,132.16/31,922.64 = 13,574.16/x
3. Step 3: Cross multiply
   23,132.16x = 31,922.64 × 13,574.16
4. Step 4: Simplify right side
   23,132.16x = 433,323,022.98
5. Step 5: Solve for x
   x = 433,323,022.98/23,132.16
6. Step 6: Final answer
   x = 18,732.49