Finding the Fourth Proportional to 18,111.23, 24,994.15 and 10,556.34

Step by Step Solution

1. Step 1: Write the proportion equation
   18,111.23 : 24,994.15 = 10,556.34 : x
2. Step 2: Convert to fraction form
   18,111.23/24,994.15 = 10,556.34/x
3. Step 3: Cross multiply
   18,111.23x = 24,994.15 × 10,556.34
4. Step 4: Simplify right side
   18,111.23x = 263,846,745.41
5. Step 5: Solve for x
   x = 263,846,745.41/18,111.23
6. Step 6: Final answer
   x = 14,568.13