Finding the Fourth Proportional to 8,076.32, 12,112.14 and 3,144.86

Step by Step Solution

1. Step 1: Write the proportion equation
   8,076.32 : 12,112.14 = 3,144.86 : x
2. Step 2: Convert to fraction form
   8,076.32/12,112.14 = 3,144.86/x
3. Step 3: Cross multiply
   8,076.32x = 12,112.14 × 3,144.86
4. Step 4: Simplify right side
   8,076.32x = 38,091,026.67
5. Step 5: Solve for x
   x = 38,091,026.67/8,076.32
6. Step 6: Final answer
   x = 4,716.38