Finding the Fourth Proportional to 2,269.42, 3,404.12 and 626.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,269.42 : 3,404.12 = 626.20 : x
2. Step 2: Convert to fraction form
   2,269.42/3,404.12 = 626.20/x
3. Step 3: Cross multiply
   2,269.42x = 3,404.12 × 626.20
4. Step 4: Simplify right side
   2,269.42x = 2,131,659.94
5. Step 5: Solve for x
   x = 2,131,659.94/2,269.42
6. Step 6: Final answer
   x = 939.30