Finding the Fourth Proportional to 6,979.32, 9,630.37 and 4,146.62

Step by Step Solution

1. Step 1: Write the proportion equation
   6,979.32 : 9,630.37 = 4,146.62 : x
2. Step 2: Convert to fraction form
   6,979.32/9,630.37 = 4,146.62/x
3. Step 3: Cross multiply
   6,979.32x = 9,630.37 × 4,146.62
4. Step 4: Simplify right side
   6,979.32x = 39,933,443.55
5. Step 5: Solve for x
   x = 39,933,443.55/6,979.32
6. Step 6: Final answer
   x = 5,721.68