Finding the Fourth Proportional to 2,333.97, 3,499.83 and 853.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,333.97 : 3,499.83 = 853.14 : x
2. Step 2: Convert to fraction form
   2,333.97/3,499.83 = 853.14/x
3. Step 3: Cross multiply
   2,333.97x = 3,499.83 × 853.14
4. Step 4: Simplify right side
   2,333.97x = 2,985,844.97
5. Step 5: Solve for x
   x = 2,985,844.97/2,333.97
6. Step 6: Final answer
   x = 1,279.30