Finding the Fourth Proportional to 10,463.76, 14,439.60 and 5,747.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,463.76 : 14,439.60 = 5,747.76 : x
2. Step 2: Convert to fraction form
   10,463.76/14,439.60 = 5,747.76/x
3. Step 3: Cross multiply
   10,463.76x = 14,439.60 × 5,747.76
4. Step 4: Simplify right side
   10,463.76x = 82,995,355.30
5. Step 5: Solve for x
   x = 82,995,355.30/10,463.76
6. Step 6: Final answer
   x = 7,931.70