Finding the Fourth Proportional to 2,469.21, 3,694.54 and 1,478.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,469.21 : 3,694.54 = 1,478.37 : x
2. Step 2: Convert to fraction form
   2,469.21/3,694.54 = 1,478.37/x
3. Step 3: Cross multiply
   2,469.21x = 3,694.54 × 1,478.37
4. Step 4: Simplify right side
   2,469.21x = 5,461,902.64
5. Step 5: Solve for x
   x = 5,461,902.64/2,469.21
6. Step 6: Final answer
   x = 2,212.01