Finding the Fourth Proportional to 10,548.28, 15,817.29 and 3,150.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,548.28 : 15,817.29 = 3,150.15 : x
2. Step 2: Convert to fraction form
   10,548.28/15,817.29 = 3,150.15/x
3. Step 3: Cross multiply
   10,548.28x = 15,817.29 × 3,150.15
4. Step 4: Simplify right side
   10,548.28x = 49,826,836.09
5. Step 5: Solve for x
   x = 49,826,836.09/10,548.28
6. Step 6: Final answer
   x = 4,723.69