Finding the Fourth Proportional to 1,896.04, 2,839.31 and 1,200.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,896.04 : 2,839.31 = 1,200.61 : x
2. Step 2: Convert to fraction form
   1,896.04/2,839.31 = 1,200.61/x
3. Step 3: Cross multiply
   1,896.04x = 2,839.31 × 1,200.61
4. Step 4: Simplify right side
   1,896.04x = 3,408,903.98
5. Step 5: Solve for x
   x = 3,408,903.98/1,896.04
6. Step 6: Final answer
   x = 1,797.91