Finding the Fourth Proportional to 10,836.54, 16,268.76 and 5,909.54

Step by Step Solution

1. Step 1: Write the proportion equation
   10,836.54 : 16,268.76 = 5,909.54 : x
2. Step 2: Convert to fraction form
   10,836.54/16,268.76 = 5,909.54/x
3. Step 3: Cross multiply
   10,836.54x = 16,268.76 × 5,909.54
4. Step 4: Simplify right side
   10,836.54x = 96,140,806.63
5. Step 5: Solve for x
   x = 96,140,806.63/10,836.54
6. Step 6: Final answer
   x = 8,871.91