Finding the Fourth Proportional to 2,333.95, 3,501.27 and 853.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,333.95 : 3,501.27 = 853.25 : x
2. Step 2: Convert to fraction form
   2,333.95/3,501.27 = 853.25/x
3. Step 3: Cross multiply
   2,333.95x = 3,501.27 × 853.25
4. Step 4: Simplify right side
   2,333.95x = 2,987,441.12
5. Step 5: Solve for x
   x = 2,987,441.12/2,333.95
6. Step 6: Final answer
   x = 1,279.99