Finding the Fourth Proportional to 2,269.78, 3,133.74 and 1,485.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,269.78 : 3,133.74 = 1,485.16 : x
2. Step 2: Convert to fraction form
   2,269.78/3,133.74 = 1,485.16/x
3. Step 3: Cross multiply
   2,269.78x = 3,133.74 × 1,485.16
4. Step 4: Simplify right side
   2,269.78x = 4,654,105.30
5. Step 5: Solve for x
   x = 4,654,105.30/2,269.78
6. Step 6: Final answer
   x = 2,050.47