Finding the Fourth Proportional to 6,105.09, 8,422.63 and 3,983.11

Step by Step Solution

1. Step 1: Write the proportion equation
   6,105.09 : 8,422.63 = 3,983.11 : x
2. Step 2: Convert to fraction form
   6,105.09/8,422.63 = 3,983.11/x
3. Step 3: Cross multiply
   6,105.09x = 8,422.63 × 3,983.11
4. Step 4: Simplify right side
   6,105.09x = 33,548,261.78
5. Step 5: Solve for x
   x = 33,548,261.78/6,105.09
6. Step 6: Final answer
   x = 5,495.13