Finding the Fourth Proportional to 12,464.45, 17,200.72 and 6,799.21

Step by Step Solution

1. Step 1: Write the proportion equation
   12,464.45 : 17,200.72 = 6,799.21 : x
2. Step 2: Convert to fraction form
   12,464.45/17,200.72 = 6,799.21/x
3. Step 3: Cross multiply
   12,464.45x = 17,200.72 × 6,799.21
4. Step 4: Simplify right side
   12,464.45x = 116,951,307.43
5. Step 5: Solve for x
   x = 116,951,307.43/12,464.45
6. Step 6: Final answer
   x = 9,382.79