Finding the Fourth Proportional to 12,081.49, 16,672.43 and 6,776.46

Step by Step Solution

1. Step 1: Write the proportion equation
   12,081.49 : 16,672.43 = 6,776.46 : x
2. Step 2: Convert to fraction form
   12,081.49/16,672.43 = 6,776.46/x
3. Step 3: Cross multiply
   12,081.49x = 16,672.43 × 6,776.46
4. Step 4: Simplify right side
   12,081.49x = 112,980,071.94
5. Step 5: Solve for x
   x = 112,980,071.94/12,081.49
6. Step 6: Final answer
   x = 9,351.50