Finding the Fourth Proportional to 6,105.72, 8,432.82 and 4,112.82

Step by Step Solution

1. Step 1: Write the proportion equation
   6,105.72 : 8,432.82 = 4,112.82 : x
2. Step 2: Convert to fraction form
   6,105.72/8,432.82 = 4,112.82/x
3. Step 3: Cross multiply
   6,105.72x = 8,432.82 × 4,112.82
4. Step 4: Simplify right side
   6,105.72x = 34,682,670.75
5. Step 5: Solve for x
   x = 34,682,670.75/6,105.72
6. Step 6: Final answer
   x = 5,680.36