Finding the Fourth Proportional to 2,753.90, 4,131.86 and 1,273.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,753.90 : 4,131.86 = 1,273.83 : x
2. Step 2: Convert to fraction form
   2,753.90/4,131.86 = 1,273.83/x
3. Step 3: Cross multiply
   2,753.90x = 4,131.86 × 1,273.83
4. Step 4: Simplify right side
   2,753.90x = 5,263,280.85
5. Step 5: Solve for x
   x = 5,263,280.85/2,753.90
6. Step 6: Final answer
   x = 1,911.21