Finding the Fourth Proportional to 12,473.82, 18,698.38 and 5,082.57

Step by Step Solution

1. Step 1: Write the proportion equation
   12,473.82 : 18,698.38 = 5,082.57 : x
2. Step 2: Convert to fraction form
   12,473.82/18,698.38 = 5,082.57/x
3. Step 3: Cross multiply
   12,473.82x = 18,698.38 × 5,082.57
4. Step 4: Simplify right side
   12,473.82x = 95,035,812.53
5. Step 5: Solve for x
   x = 95,035,812.53/12,473.82
6. Step 6: Final answer
   x = 7,618.82