Finding the Fourth Proportional to 2,049.72, 3,075.72 and 1,270.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,049.72 : 3,075.72 = 1,270.15 : x
2. Step 2: Convert to fraction form
   2,049.72/3,075.72 = 1,270.15/x
3. Step 3: Cross multiply
   2,049.72x = 3,075.72 × 1,270.15
4. Step 4: Simplify right side
   2,049.72x = 3,906,620.45
5. Step 5: Solve for x
   x = 3,906,620.45/2,049.72
6. Step 6: Final answer
   x = 1,905.93