Finding the Fourth Proportional to 2,849.60, 4,272.37 and 1,204.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,849.60 : 4,272.37 = 1,204.90 : x
2. Step 2: Convert to fraction form
   2,849.60/4,272.37 = 1,204.90/x
3. Step 3: Cross multiply
   2,849.60x = 4,272.37 × 1,204.90
4. Step 4: Simplify right side
   2,849.60x = 5,147,778.61
5. Step 5: Solve for x
   x = 5,147,778.61/2,849.60
6. Step 6: Final answer
   x = 1,806.49