Finding the Fourth Proportional to 3,404.37, 5,106.84 and 939.19

Step by Step Solution

1. Step 1: Write the proportion equation
   3,404.37 : 5,106.84 = 939.19 : x
2. Step 2: Convert to fraction form
   3,404.37/5,106.84 = 939.19/x
3. Step 3: Cross multiply
   3,404.37x = 5,106.84 × 939.19
4. Step 4: Simplify right side
   3,404.37x = 4,796,262.83
5. Step 5: Solve for x
   x = 4,796,262.83/3,404.37
6. Step 6: Final answer
   x = 1,408.86