Finding the Fourth Proportional to 4,661.89, 6,434.78 and 2,774.81

Step by Step Solution

1. Step 1: Write the proportion equation
   4,661.89 : 6,434.78 = 2,774.81 : x
2. Step 2: Convert to fraction form
   4,661.89/6,434.78 = 2,774.81/x
3. Step 3: Cross multiply
   4,661.89x = 6,434.78 × 2,774.81
4. Step 4: Simplify right side
   4,661.89x = 17,855,291.89
5. Step 5: Solve for x
   x = 17,855,291.89/4,661.89
6. Step 6: Final answer
   x = 3,830.05