Finding the Fourth Proportional to 6,973.46, 9,621.72 and 3,948.62

Step by Step Solution

1. Step 1: Write the proportion equation
   6,973.46 : 9,621.72 = 3,948.62 : x
2. Step 2: Convert to fraction form
   6,973.46/9,621.72 = 3,948.62/x
3. Step 3: Cross multiply
   6,973.46x = 9,621.72 × 3,948.62
4. Step 4: Simplify right side
   6,973.46x = 37,992,516.03
5. Step 5: Solve for x
   x = 37,992,516.03/6,973.46
6. Step 6: Final answer
   x = 5,448.16