Finding the Fourth Proportional to 23,293.51, 32,144.34 and 12,945.23

Step by Step Solution

1. Step 1: Write the proportion equation
   23,293.51 : 32,144.34 = 12,945.23 : x
2. Step 2: Convert to fraction form
   23,293.51/32,144.34 = 12,945.23/x
3. Step 3: Cross multiply
   23,293.51x = 32,144.34 × 12,945.23
4. Step 4: Simplify right side
   23,293.51x = 416,115,713.78
5. Step 5: Solve for x
   x = 416,115,713.78/23,293.51
6. Step 6: Final answer
   x = 17,864.02