Finding the Fourth Proportional to 10,173.15, 14,039.78 and 5,867.64

Step by Step Solution

1. Step 1: Write the proportion equation
   10,173.15 : 14,039.78 = 5,867.64 : x
2. Step 2: Convert to fraction form
   10,173.15/14,039.78 = 5,867.64/x
3. Step 3: Cross multiply
   10,173.15x = 14,039.78 × 5,867.64
4. Step 4: Simplify right side
   10,173.15x = 82,380,345.38
5. Step 5: Solve for x
   x = 82,380,345.38/10,173.15
6. Step 6: Final answer
   x = 8,097.82