Finding the Fourth Proportional to 23,045.83, 31,801.23 and 12,836.09

Step by Step Solution

1. Step 1: Write the proportion equation
   23,045.83 : 31,801.23 = 12,836.09 : x
2. Step 2: Convert to fraction form
   23,045.83/31,801.23 = 12,836.09/x
3. Step 3: Cross multiply
   23,045.83x = 31,801.23 × 12,836.09
4. Step 4: Simplify right side
   23,045.83x = 408,203,529.89
5. Step 5: Solve for x
   x = 408,203,529.89/23,045.83
6. Step 6: Final answer
   x = 17,712.69