Finding the Fourth Proportional to 3,869.50, 5,804.24 and 1,404.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,869.50 : 5,804.24 = 1,404.31 : x
2. Step 2: Convert to fraction form
   3,869.50/5,804.24 = 1,404.31/x
3. Step 3: Cross multiply
   3,869.50x = 5,804.24 × 1,404.31
4. Step 4: Simplify right side
   3,869.50x = 8,150,945.25
5. Step 5: Solve for x
   x = 8,150,945.25/3,869.50
6. Step 6: Final answer
   x = 2,106.46