Finding the Fourth Proportional to 3,870.24, 5,804.88 and 1,404.96

Step by Step Solution

1. Step 1: Write the proportion equation
   3,870.24 : 5,804.88 = 1,404.96 : x
2. Step 2: Convert to fraction form
   3,870.24/5,804.88 = 1,404.96/x
3. Step 3: Cross multiply
   3,870.24x = 5,804.88 × 1,404.96
4. Step 4: Simplify right side
   3,870.24x = 8,155,624.20
5. Step 5: Solve for x
   x = 8,155,624.20/3,870.24
6. Step 6: Final answer
   x = 2,107.27