Finding the Fourth Proportional to 6,139.32, 8,472.36 and 3,344.82

Step by Step Solution

1. Step 1: Write the proportion equation
   6,139.32 : 8,472.36 = 3,344.82 : x
2. Step 2: Convert to fraction form
   6,139.32/8,472.36 = 3,344.82/x
3. Step 3: Cross multiply
   6,139.32x = 8,472.36 × 3,344.82
4. Step 4: Simplify right side
   6,139.32x = 28,338,519.18
5. Step 5: Solve for x
   x = 28,338,519.18/6,139.32
6. Step 6: Final answer
   x = 4,615.91