Finding the Fourth Proportional to 6,091.28, 8,406.12 and 3,734.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,091.28 : 8,406.12 = 3,734.72 : x
2. Step 2: Convert to fraction form
   6,091.28/8,406.12 = 3,734.72/x
3. Step 3: Cross multiply
   6,091.28x = 8,406.12 × 3,734.72
4. Step 4: Simplify right side
   6,091.28x = 31,394,504.49
5. Step 5: Solve for x
   x = 31,394,504.49/6,091.28
6. Step 6: Final answer
   x = 5,154.01