Finding the Fourth Proportional to 6,189.89, 8,543.31 and 4,201.09

Step by Step Solution

1. Step 1: Write the proportion equation
   6,189.89 : 8,543.31 = 4,201.09 : x
2. Step 2: Convert to fraction form
   6,189.89/8,543.31 = 4,201.09/x
3. Step 3: Cross multiply
   6,189.89x = 8,543.31 × 4,201.09
4. Step 4: Simplify right side
   6,189.89x = 35,891,218.85
5. Step 5: Solve for x
   x = 35,891,218.85/6,189.89
6. Step 6: Final answer
   x = 5,798.36