Finding the Fourth Proportional to 9,443.80, 14,165.72 and 2,870.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,443.80 : 14,165.72 = 2,870.04 : x
2. Step 2: Convert to fraction form
   9,443.80/14,165.72 = 2,870.04/x
3. Step 3: Cross multiply
   9,443.80x = 14,165.72 × 2,870.04
4. Step 4: Simplify right side
   9,443.80x = 40,656,183.03
5. Step 5: Solve for x
   x = 40,656,183.03/9,443.80
6. Step 6: Final answer
   x = 4,305.07