Finding the Fourth Proportional to 10,308.30, 15,463.47 and 2,912.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,308.30 : 15,463.47 = 2,912.82 : x
2. Step 2: Convert to fraction form
   10,308.30/15,463.47 = 2,912.82/x
3. Step 3: Cross multiply
   10,308.30x = 15,463.47 × 2,912.82
4. Step 4: Simplify right side
   10,308.30x = 45,042,304.69
5. Step 5: Solve for x
   x = 45,042,304.69/10,308.30
6. Step 6: Final answer
   x = 4,369.52