Finding the Fourth Proportional to 12,060.84, 16,630.56 and 7,579.20

Step by Step Solution

1. Step 1: Write the proportion equation
   12,060.84 : 16,630.56 = 7,579.20 : x
2. Step 2: Convert to fraction form
   12,060.84/16,630.56 = 7,579.20/x
3. Step 3: Cross multiply
   12,060.84x = 16,630.56 × 7,579.20
4. Step 4: Simplify right side
   12,060.84x = 126,046,340.35
5. Step 5: Solve for x
   x = 126,046,340.35/12,060.84
6. Step 6: Final answer
   x = 10,450.88