Finding the Fourth Proportional to 2,034.78, 3,049.86 and 801.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,034.78 : 3,049.86 = 801.57 : x
2. Step 2: Convert to fraction form
   2,034.78/3,049.86 = 801.57/x
3. Step 3: Cross multiply
   2,034.78x = 3,049.86 × 801.57
4. Step 4: Simplify right side
   2,034.78x = 2,444,676.28
5. Step 5: Solve for x
   x = 2,444,676.28/2,034.78
6. Step 6: Final answer
   x = 1,201.45