Finding the Fourth Proportional to 23,454.78, 32,367.34 and 12,843.78

Step by Step Solution

1. Step 1: Write the proportion equation
   23,454.78 : 32,367.34 = 12,843.78 : x
2. Step 2: Convert to fraction form
   23,454.78/32,367.34 = 12,843.78/x
3. Step 3: Cross multiply
   23,454.78x = 32,367.34 × 12,843.78
4. Step 4: Simplify right side
   23,454.78x = 415,718,994.15
5. Step 5: Solve for x
   x = 415,718,994.15/23,454.78
6. Step 6: Final answer
   x = 17,724.28