Finding the Fourth Proportional to 2,314.05, 3,471.41 and 853.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,314.05 : 3,471.41 = 853.10 : x
2. Step 2: Convert to fraction form
   2,314.05/3,471.41 = 853.10/x
3. Step 3: Cross multiply
   2,314.05x = 3,471.41 × 853.10
4. Step 4: Simplify right side
   2,314.05x = 2,961,452.87
5. Step 5: Solve for x
   x = 2,961,452.87/2,314.05
6. Step 6: Final answer
   x = 1,279.77