Finding the Fourth Proportional to 9,780.75, 14,673.83 and 2,855.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,780.75 : 14,673.83 = 2,855.25 : x
2. Step 2: Convert to fraction form
   9,780.75/14,673.83 = 2,855.25/x
3. Step 3: Cross multiply
   9,780.75x = 14,673.83 × 2,855.25
4. Step 4: Simplify right side
   9,780.75x = 41,897,438.83
5. Step 5: Solve for x
   x = 41,897,438.83/9,780.75
6. Step 6: Final answer
   x = 4,283.66