Finding the Fourth Proportional to 23,043.33, 31,799.52 and 12,971.79

Step by Step Solution

1. Step 1: Write the proportion equation
   23,043.33 : 31,799.52 = 12,971.79 : x
2. Step 2: Convert to fraction form
   23,043.33/31,799.52 = 12,971.79/x
3. Step 3: Cross multiply
   23,043.33x = 31,799.52 × 12,971.79
4. Step 4: Simplify right side
   23,043.33x = 412,496,695.54
5. Step 5: Solve for x
   x = 412,496,695.54/23,043.33
6. Step 6: Final answer
   x = 17,900.92