Finding the Fourth Proportional to 6,151.72, 8,489.40 and 3,357.28

Step by Step Solution

1. Step 1: Write the proportion equation
   6,151.72 : 8,489.40 = 3,357.28 : x
2. Step 2: Convert to fraction form
   6,151.72/8,489.40 = 3,357.28/x
3. Step 3: Cross multiply
   6,151.72x = 8,489.40 × 3,357.28
4. Step 4: Simplify right side
   6,151.72x = 28,501,292.83
5. Step 5: Solve for x
   x = 28,501,292.83/6,151.72
6. Step 6: Final answer
   x = 4,633.06