Finding the Fourth Proportional to 10,477.69, 15,718.89 and 3,082.75

Step by Step Solution

1. Step 1: Write the proportion equation
   10,477.69 : 15,718.89 = 3,082.75 : x
2. Step 2: Convert to fraction form
   10,477.69/15,718.89 = 3,082.75/x
3. Step 3: Cross multiply
   10,477.69x = 15,718.89 × 3,082.75
4. Step 4: Simplify right side
   10,477.69x = 48,457,408.15
5. Step 5: Solve for x
   x = 48,457,408.15/10,477.69
6. Step 6: Final answer
   x = 4,624.82