Finding the Fourth Proportional to 10,982.63, 16,453.28 and 5,429.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,982.63 : 16,453.28 = 5,429.48 : x
2. Step 2: Convert to fraction form
   10,982.63/16,453.28 = 5,429.48/x
3. Step 3: Cross multiply
   10,982.63x = 16,453.28 × 5,429.48
4. Step 4: Simplify right side
   10,982.63x = 89,332,686.00
5. Step 5: Solve for x
   x = 89,332,686.00/10,982.63
6. Step 6: Final answer
   x = 8,134.00