Finding the Fourth Proportional to 10,983.60, 16,476.50 and 3,086.13

Step by Step Solution

1. Step 1: Write the proportion equation
   10,983.60 : 16,476.50 = 3,086.13 : x
2. Step 2: Convert to fraction form
   10,983.60/16,476.50 = 3,086.13/x
3. Step 3: Cross multiply
   10,983.60x = 16,476.50 × 3,086.13
4. Step 4: Simplify right side
   10,983.60x = 50,848,605.51
5. Step 5: Solve for x
   x = 50,848,605.51/10,983.60
6. Step 6: Final answer
   x = 4,629.50