Finding the Fourth Proportional to 10,608.15, 14,639.52 and 5,828.21

Step by Step Solution

1. Step 1: Write the proportion equation
   10,608.15 : 14,639.52 = 5,828.21 : x
2. Step 2: Convert to fraction form
   10,608.15/14,639.52 = 5,828.21/x
3. Step 3: Cross multiply
   10,608.15x = 14,639.52 × 5,828.21
4. Step 4: Simplify right side
   10,608.15x = 85,322,205.52
5. Step 5: Solve for x
   x = 85,322,205.52/10,608.15
6. Step 6: Final answer
   x = 8,043.08