Finding the Fourth Proportional to 6,300.82, 8,695.56 and 4,172.68

Step by Step Solution

1. Step 1: Write the proportion equation
   6,300.82 : 8,695.56 = 4,172.68 : x
2. Step 2: Convert to fraction form
   6,300.82/8,695.56 = 4,172.68/x
3. Step 3: Cross multiply
   6,300.82x = 8,695.56 × 4,172.68
4. Step 4: Simplify right side
   6,300.82x = 36,283,789.30
5. Step 5: Solve for x
   x = 36,283,789.30/6,300.82
6. Step 6: Final answer
   x = 5,758.58