Finding the Fourth Proportional to 12,046.12, 16,622.72 and 6,740.21

Step by Step Solution

1. Step 1: Write the proportion equation
   12,046.12 : 16,622.72 = 6,740.21 : x
2. Step 2: Convert to fraction form
   12,046.12/16,622.72 = 6,740.21/x
3. Step 3: Cross multiply
   12,046.12x = 16,622.72 × 6,740.21
4. Step 4: Simplify right side
   12,046.12x = 112,040,656.70
5. Step 5: Solve for x
   x = 112,040,656.70/12,046.12
6. Step 6: Final answer
   x = 9,300.98