Finding the Fourth Proportional to 9,815.87, 14,727.71 and 3,576.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,815.87 : 14,727.71 = 3,576.30 : x
2. Step 2: Convert to fraction form
   9,815.87/14,727.71 = 3,576.30/x
3. Step 3: Cross multiply
   9,815.87x = 14,727.71 × 3,576.30
4. Step 4: Simplify right side
   9,815.87x = 52,670,691.39
5. Step 5: Solve for x
   x = 52,670,691.39/9,815.87
6. Step 6: Final answer
   x = 5,365.87