Finding the Fourth Proportional to 9,819.28, 14,728.83 and 3,577.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,819.28 : 14,728.83 = 3,577.10 : x
2. Step 2: Convert to fraction form
   9,819.28/14,728.83 = 3,577.10/x
3. Step 3: Cross multiply
   9,819.28x = 14,728.83 × 3,577.10
4. Step 4: Simplify right side
   9,819.28x = 52,686,497.79
5. Step 5: Solve for x
   x = 52,686,497.79/9,819.28
6. Step 6: Final answer
   x = 5,365.62