Finding the Fourth Proportional to 2,496.95, 3,745.83 and 853.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,496.95 : 3,745.83 = 853.46 : x
2. Step 2: Convert to fraction form
   2,496.95/3,745.83 = 853.46/x
3. Step 3: Cross multiply
   2,496.95x = 3,745.83 × 853.46
4. Step 4: Simplify right side
   2,496.95x = 3,196,916.07
5. Step 5: Solve for x
   x = 3,196,916.07/2,496.95
6. Step 6: Final answer
   x = 1,280.33