Finding the Fourth Proportional to 2,077.92, 3,112.02 and 1,255.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.92 : 3,112.02 = 1,255.50 : x
2. Step 2: Convert to fraction form
   2,077.92/3,112.02 = 1,255.50/x
3. Step 3: Cross multiply
   2,077.92x = 3,112.02 × 1,255.50
4. Step 4: Simplify right side
   2,077.92x = 3,907,141.11
5. Step 5: Solve for x
   x = 3,907,141.11/2,077.92
6. Step 6: Final answer
   x = 1,880.31