Finding the Fourth Proportional to 2,077.83, 3,115.02 and 845.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.83 : 3,115.02 = 845.82 : x
2. Step 2: Convert to fraction form
   2,077.83/3,115.02 = 845.82/x
3. Step 3: Cross multiply
   2,077.83x = 3,115.02 × 845.82
4. Step 4: Simplify right side
   2,077.83x = 2,634,746.22
5. Step 5: Solve for x
   x = 2,634,746.22/2,077.83
6. Step 6: Final answer
   x = 1,268.03