Finding the Fourth Proportional to 9,830.79, 14,743.04 and 3,255.57

Step by Step Solution

1. Step 1: Write the proportion equation
   9,830.79 : 14,743.04 = 3,255.57 : x
2. Step 2: Convert to fraction form
   9,830.79/14,743.04 = 3,255.57/x
3. Step 3: Cross multiply
   9,830.79x = 14,743.04 × 3,255.57
4. Step 4: Simplify right side
   9,830.79x = 47,996,982.45
5. Step 5: Solve for x
   x = 47,996,982.45/9,830.79
6. Step 6: Final answer
   x = 4,882.31