Finding the Fourth Proportional to 2,884.10, 3,977.88 and 2,486.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,884.10 : 3,977.88 = 2,486.46 : x
2. Step 2: Convert to fraction form
   2,884.10/3,977.88 = 2,486.46/x
3. Step 3: Cross multiply
   2,884.10x = 3,977.88 × 2,486.46
4. Step 4: Simplify right side
   2,884.10x = 9,890,839.50
5. Step 5: Solve for x
   x = 9,890,839.50/2,884.10
6. Step 6: Final answer
   x = 3,429.44