Finding the Fourth Proportional to 12,144.33, 16,770.15 and 7,676.01

Step by Step Solution

1. Step 1: Write the proportion equation
   12,144.33 : 16,770.15 = 7,676.01 : x
2. Step 2: Convert to fraction form
   12,144.33/16,770.15 = 7,676.01/x
3. Step 3: Cross multiply
   12,144.33x = 16,770.15 × 7,676.01
4. Step 4: Simplify right side
   12,144.33x = 128,727,800.72
5. Step 5: Solve for x
   x = 128,727,800.72/12,144.33
6. Step 6: Final answer
   x = 10,599.83