Finding the Fourth Proportional to 6,139.56, 9,210.48 and 3,364.71

Step by Step Solution

1. Step 1: Write the proportion equation
   6,139.56 : 9,210.48 = 3,364.71 : x
2. Step 2: Convert to fraction form
   6,139.56/9,210.48 = 3,364.71/x
3. Step 3: Cross multiply
   6,139.56x = 9,210.48 × 3,364.71
4. Step 4: Simplify right side
   6,139.56x = 30,990,594.16
5. Step 5: Solve for x
   x = 30,990,594.16/6,139.56
6. Step 6: Final answer
   x = 5,047.69