Finding the Fourth Proportional to 6,973.32, 9,618.66 and 4,456.20

Step by Step Solution

1. Step 1: Write the proportion equation
   6,973.32 : 9,618.66 = 4,456.20 : x
2. Step 2: Convert to fraction form
   6,973.32/9,618.66 = 4,456.20/x
3. Step 3: Cross multiply
   6,973.32x = 9,618.66 × 4,456.20
4. Step 4: Simplify right side
   6,973.32x = 42,862,672.69
5. Step 5: Solve for x
   x = 42,862,672.69/6,973.32
6. Step 6: Final answer
   x = 6,146.67