Finding the Fourth Proportional to 12,483.29, 18,724.89 and 5,086.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,483.29 : 18,724.89 = 5,086.10 : x
2. Step 2: Convert to fraction form
   12,483.29/18,724.89 = 5,086.10/x
3. Step 3: Cross multiply
   12,483.29x = 18,724.89 × 5,086.10
4. Step 4: Simplify right side
   12,483.29x = 95,236,663.03
5. Step 5: Solve for x
   x = 95,236,663.03/12,483.29
6. Step 6: Final answer
   x = 7,629.13