Finding the Fourth Proportional to 6,109.08, 8,431.47 and 3,591.33

Step by Step Solution

1. Step 1: Write the proportion equation
   6,109.08 : 8,431.47 = 3,591.33 : x
2. Step 2: Convert to fraction form
   6,109.08/8,431.47 = 3,591.33/x
3. Step 3: Cross multiply
   6,109.08x = 8,431.47 × 3,591.33
4. Step 4: Simplify right side
   6,109.08x = 30,280,191.16
5. Step 5: Solve for x
   x = 30,280,191.16/6,109.08
6. Step 6: Final answer
   x = 4,956.59