Finding the Fourth Proportional to 4,749.78, 7,131.83 and 4,118.52

Step by Step Solution

1. Step 1: Write the proportion equation
   4,749.78 : 7,131.83 = 4,118.52 : x
2. Step 2: Convert to fraction form
   4,749.78/7,131.83 = 4,118.52/x
3. Step 3: Cross multiply
   4,749.78x = 7,131.83 × 4,118.52
4. Step 4: Simplify right side
   4,749.78x = 29,372,584.49
5. Step 5: Solve for x
   x = 29,372,584.49/4,749.78
6. Step 6: Final answer
   x = 6,183.99