Finding the Fourth Proportional to 9,769.78, 14,648.73 and 3,839.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,769.78 : 14,648.73 = 3,839.56 : x
2. Step 2: Convert to fraction form
   9,769.78/14,648.73 = 3,839.56/x
3. Step 3: Cross multiply
   9,769.78x = 14,648.73 × 3,839.56
4. Step 4: Simplify right side
   9,769.78x = 56,244,677.76
5. Step 5: Solve for x
   x = 56,244,677.76/9,769.78
6. Step 6: Final answer
   x = 5,757.01