Finding the Fourth Proportional to 3,404.45, 4,698.06 and 2,007.20

Step by Step Solution

1. Step 1: Write the proportion equation
   3,404.45 : 4,698.06 = 2,007.20 : x
2. Step 2: Convert to fraction form
   3,404.45/4,698.06 = 2,007.20/x
3. Step 3: Cross multiply
   3,404.45x = 4,698.06 × 2,007.20
4. Step 4: Simplify right side
   3,404.45x = 9,429,946.03
5. Step 5: Solve for x
   x = 9,429,946.03/3,404.45
6. Step 6: Final answer
   x = 2,769.89