Finding the Fourth Proportional to 3,878.52, 5,346.72 and 2,549.96

Step by Step Solution

1. Step 1: Write the proportion equation
   3,878.52 : 5,346.72 = 2,549.96 : x
2. Step 2: Convert to fraction form
   3,878.52/5,346.72 = 2,549.96/x
3. Step 3: Cross multiply
   3,878.52x = 5,346.72 × 2,549.96
4. Step 4: Simplify right side
   3,878.52x = 13,633,922.13
5. Step 5: Solve for x
   x = 13,633,922.13/3,878.52
6. Step 6: Final answer
   x = 3,515.24