Finding the Fourth Proportional to 2,051.97, 3,077.24 and 1,270.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,051.97 : 3,077.24 = 1,270.78 : x
2. Step 2: Convert to fraction form
   2,051.97/3,077.24 = 1,270.78/x
3. Step 3: Cross multiply
   2,051.97x = 3,077.24 × 1,270.78
4. Step 4: Simplify right side
   2,051.97x = 3,910,481.00
5. Step 5: Solve for x
   x = 3,910,481.00/2,051.97
6. Step 6: Final answer
   x = 1,905.72