Finding the Fourth Proportional to 23,081.80, 31,854.38 and 12,873.98

Step by Step Solution

1. Step 1: Write the proportion equation
   23,081.80 : 31,854.38 = 12,873.98 : x
2. Step 2: Convert to fraction form
   23,081.80/31,854.38 = 12,873.98/x
3. Step 3: Cross multiply
   23,081.80x = 31,854.38 × 12,873.98
4. Step 4: Simplify right side
   23,081.80x = 410,092,559.53
5. Step 5: Solve for x
   x = 410,092,559.53/23,081.80
6. Step 6: Final answer
   x = 17,766.92