Finding the Fourth Proportional to 23,026.56, 31,766.83 and 13,198.62

Step by Step Solution

1. Step 1: Write the proportion equation
   23,026.56 : 31,766.83 = 13,198.62 : x
2. Step 2: Convert to fraction form
   23,026.56/31,766.83 = 13,198.62/x
3. Step 3: Cross multiply
   23,026.56x = 31,766.83 × 13,198.62
4. Step 4: Simplify right side
   23,026.56x = 419,278,317.77
5. Step 5: Solve for x
   x = 419,278,317.77/23,026.56
6. Step 6: Final answer
   x = 18,208.47