Finding the Fourth Proportional to 9,327.81, 12,872.69 and 5,079.05

Step by Step Solution

1. Step 1: Write the proportion equation
   9,327.81 : 12,872.69 = 5,079.05 : x
2. Step 2: Convert to fraction form
   9,327.81/12,872.69 = 5,079.05/x
3. Step 3: Cross multiply
   9,327.81x = 12,872.69 × 5,079.05
4. Step 4: Simplify right side
   9,327.81x = 65,380,946.39
5. Step 5: Solve for x
   x = 65,380,946.39/9,327.81
6. Step 6: Final answer
   x = 7,009.25