Finding the Fourth Proportional to 2,333.59, 3,501.16 and 853.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,333.59 : 3,501.16 = 853.27 : x
2. Step 2: Convert to fraction form
   2,333.59/3,501.16 = 853.27/x
3. Step 3: Cross multiply
   2,333.59x = 3,501.16 × 853.27
4. Step 4: Simplify right side
   2,333.59x = 2,987,426.31
5. Step 5: Solve for x
   x = 2,987,426.31/2,333.59
6. Step 6: Final answer
   x = 1,280.18