Finding the Fourth Proportional to 7,233.78, 10,850.70 and 2,853.30

Step by Step Solution

1. Step 1: Write the proportion equation
   7,233.78 : 10,850.70 = 2,853.30 : x
2. Step 2: Convert to fraction form
   7,233.78/10,850.70 = 2,853.30/x
3. Step 3: Cross multiply
   7,233.78x = 10,850.70 × 2,853.30
4. Step 4: Simplify right side
   7,233.78x = 30,960,302.31
5. Step 5: Solve for x
   x = 30,960,302.31/7,233.78
6. Step 6: Final answer
   x = 4,279.96