Finding the Fourth Proportional to 6,105.77, 8,422.92 and 4,112.86

Step by Step Solution

1. Step 1: Write the proportion equation
   6,105.77 : 8,422.92 = 4,112.86 : x
2. Step 2: Convert to fraction form
   6,105.77/8,422.92 = 4,112.86/x
3. Step 3: Cross multiply
   6,105.77x = 8,422.92 × 4,112.86
4. Step 4: Simplify right side
   6,105.77x = 34,642,290.75
5. Step 5: Solve for x
   x = 34,642,290.75/6,105.77
6. Step 6: Final answer
   x = 5,673.70