Finding the Fourth Proportional to 6,191.91, 8,544.05 and 3,539.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,191.91 : 8,544.05 = 3,539.50 : x
2. Step 2: Convert to fraction form
   6,191.91/8,544.05 = 3,539.50/x
3. Step 3: Cross multiply
   6,191.91x = 8,544.05 × 3,539.50
4. Step 4: Simplify right side
   6,191.91x = 30,241,647.28
5. Step 5: Solve for x
   x = 30,241,647.28/6,191.91
6. Step 6: Final answer
   x = 4,884.06