Finding the Fourth Proportional to 2,629.98, 3,946.50 and 1,069.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,629.98 : 3,946.50 = 1,069.74 : x
2. Step 2: Convert to fraction form
   2,629.98/3,946.50 = 1,069.74/x
3. Step 3: Cross multiply
   2,629.98x = 3,946.50 × 1,069.74
4. Step 4: Simplify right side
   2,629.98x = 4,221,728.91
5. Step 5: Solve for x
   x = 4,221,728.91/2,629.98
6. Step 6: Final answer
   x = 1,605.23