Finding the Fourth Proportional to 2,904.30, 4,359.69 and 1,443.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,904.30 : 4,359.69 = 1,443.06 : x
2. Step 2: Convert to fraction form
   2,904.30/4,359.69 = 1,443.06/x
3. Step 3: Cross multiply
   2,904.30x = 4,359.69 × 1,443.06
4. Step 4: Simplify right side
   2,904.30x = 6,291,294.25
5. Step 5: Solve for x
   x = 6,291,294.25/2,904.30
6. Step 6: Final answer
   x = 2,166.20