Finding the Fourth Proportional to 23,118.24, 31,903.25 and 12,507.96

Step by Step Solution

1. Step 1: Write the proportion equation
   23,118.24 : 31,903.25 = 12,507.96 : x
2. Step 2: Convert to fraction form
   23,118.24/31,903.25 = 12,507.96/x
3. Step 3: Cross multiply
   23,118.24x = 31,903.25 × 12,507.96
4. Step 4: Simplify right side
   23,118.24x = 399,044,512.33
5. Step 5: Solve for x
   x = 399,044,512.33/23,118.24
6. Step 6: Final answer
   x = 17,261.02