Finding the Fourth Proportional to 6,158.72, 8,499.06 and 3,364.28

Step by Step Solution

1. Step 1: Write the proportion equation
   6,158.72 : 8,499.06 = 3,364.28 : x
2. Step 2: Convert to fraction form
   6,158.72/8,499.06 = 3,364.28/x
3. Step 3: Cross multiply
   6,158.72x = 8,499.06 × 3,364.28
4. Step 4: Simplify right side
   6,158.72x = 28,593,217.58
5. Step 5: Solve for x
   x = 28,593,217.58/6,158.72
6. Step 6: Final answer
   x = 4,642.72