Finding the Fourth Proportional to 2,270.94, 3,134.55 and 1,485.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,270.94 : 3,134.55 = 1,485.06 : x
2. Step 2: Convert to fraction form
   2,270.94/3,134.55 = 1,485.06/x
3. Step 3: Cross multiply
   2,270.94x = 3,134.55 × 1,485.06
4. Step 4: Simplify right side
   2,270.94x = 4,654,994.82
5. Step 5: Solve for x
   x = 4,654,994.82/2,270.94
6. Step 6: Final answer
   x = 2,049.81