Finding the Fourth Proportional to 2,969.01, 4,449.39 and 2,455.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,969.01 : 4,449.39 = 2,455.19 : x
2. Step 2: Convert to fraction form
   2,969.01/4,449.39 = 2,455.19/x
3. Step 3: Cross multiply
   2,969.01x = 4,449.39 × 2,455.19
4. Step 4: Simplify right side
   2,969.01x = 10,924,085.56
5. Step 5: Solve for x
   x = 10,924,085.56/2,969.01
6. Step 6: Final answer
   x = 3,679.37