Finding the Fourth Proportional to 10,983.60, 16,475.25 and 2,663.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,983.60 : 16,475.25 = 2,663.69 : x
2. Step 2: Convert to fraction form
   10,983.60/16,475.25 = 2,663.69/x
3. Step 3: Cross multiply
   10,983.60x = 16,475.25 × 2,663.69
4. Step 4: Simplify right side
   10,983.60x = 43,884,871.30
5. Step 5: Solve for x
   x = 43,884,871.30/10,983.60
6. Step 6: Final answer
   x = 3,995.49