Finding the Fourth Proportional to 2,969.90, 4,449.45 and 2,419.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,969.90 : 4,449.45 = 2,419.10 : x
2. Step 2: Convert to fraction form
   2,969.90/4,449.45 = 2,419.10/x
3. Step 3: Cross multiply
   2,969.90x = 4,449.45 × 2,419.10
4. Step 4: Simplify right side
   2,969.90x = 10,763,664.50
5. Step 5: Solve for x
   x = 10,763,664.50/2,969.90
6. Step 6: Final answer
   x = 3,624.25