Finding the Fourth Proportional to 23,145.65, 31,941.02 and 12,535.25

Step by Step Solution

1. Step 1: Write the proportion equation
   23,145.65 : 31,941.02 = 12,535.25 : x
2. Step 2: Convert to fraction form
   23,145.65/31,941.02 = 12,535.25/x
3. Step 3: Cross multiply
   23,145.65x = 31,941.02 × 12,535.25
4. Step 4: Simplify right side
   23,145.65x = 400,388,608.28
5. Step 5: Solve for x
   x = 400,388,608.28/23,145.65
6. Step 6: Final answer
   x = 17,298.66