Finding the Fourth Proportional to 3,962.88, 5,466.59 and 2,546.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,962.88 : 5,466.59 = 2,546.78 : x
2. Step 2: Convert to fraction form
   3,962.88/5,466.59 = 2,546.78/x
3. Step 3: Cross multiply
   3,962.88x = 5,466.59 × 2,546.78
4. Step 4: Simplify right side
   3,962.88x = 13,922,189.35
5. Step 5: Solve for x
   x = 13,922,189.35/3,962.88
6. Step 6: Final answer
   x = 3,513.15