Finding the Fourth Proportional to 3,870.09, 5,804.73 and 1,404.81

Step by Step Solution

1. Step 1: Write the proportion equation
   3,870.09 : 5,804.73 = 1,404.81 : x
2. Step 2: Convert to fraction form
   3,870.09/5,804.73 = 1,404.81/x
3. Step 3: Cross multiply
   3,870.09x = 5,804.73 × 1,404.81
4. Step 4: Simplify right side
   3,870.09x = 8,154,542.75
5. Step 5: Solve for x
   x = 8,154,542.75/3,870.09
6. Step 6: Final answer
   x = 2,107.07