Finding the Fourth Proportional to 6,191.91, 8,544.69 and 3,539.30

Step by Step Solution

1. Step 1: Write the proportion equation
   6,191.91 : 8,544.69 = 3,539.30 : x
2. Step 2: Convert to fraction form
   6,191.91/8,544.69 = 3,539.30/x
3. Step 3: Cross multiply
   6,191.91x = 8,544.69 × 3,539.30
4. Step 4: Simplify right side
   6,191.91x = 30,242,178.59
5. Step 5: Solve for x
   x = 30,242,178.59/6,191.91
6. Step 6: Final answer
   x = 4,884.14