Finding the Fourth Proportional to 1,904.82, 2,849.70 and 1,443.90

Step by Step Solution

1. Step 1: Write the proportion equation
   1,904.82 : 2,849.70 = 1,443.90 : x
2. Step 2: Convert to fraction form
   1,904.82/2,849.70 = 1,443.90/x
3. Step 3: Cross multiply
   1,904.82x = 2,849.70 × 1,443.90
4. Step 4: Simplify right side
   1,904.82x = 4,114,681.83
5. Step 5: Solve for x
   x = 4,114,681.83/1,904.82
6. Step 6: Final answer
   x = 2,160.14