Finding the Fourth Proportional to 2,735.78, 4,101.57 and 1,273.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,735.78 : 4,101.57 = 1,273.86 : x
2. Step 2: Convert to fraction form
   2,735.78/4,101.57 = 1,273.86/x
3. Step 3: Cross multiply
   2,735.78x = 4,101.57 × 1,273.86
4. Step 4: Simplify right side
   2,735.78x = 5,224,825.96
5. Step 5: Solve for x
   x = 5,224,825.96/2,735.78
6. Step 6: Final answer
   x = 1,909.82