Finding the Fourth Proportional to 12,054.57, 18,076.78 and 4,556.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,054.57 : 18,076.78 = 4,556.86 : x
2. Step 2: Convert to fraction form
   12,054.57/18,076.78 = 4,556.86/x
3. Step 3: Cross multiply
   12,054.57x = 18,076.78 × 4,556.86
4. Step 4: Simplify right side
   12,054.57x = 82,373,290.58
5. Step 5: Solve for x
   x = 82,373,290.58/12,054.57
6. Step 6: Final answer
   x = 6,833.37