Finding the Fourth Proportional to 19,359.72, 29,046.06 and 7,676.28

Step by Step Solution

1. Step 1: Write the proportion equation
   19,359.72 : 29,046.06 = 7,676.28 : x
2. Step 2: Convert to fraction form
   19,359.72/29,046.06 = 7,676.28/x
3. Step 3: Cross multiply
   19,359.72x = 29,046.06 × 7,676.28
4. Step 4: Simplify right side
   19,359.72x = 222,965,689.46
5. Step 5: Solve for x
   x = 222,965,689.46/19,359.72
6. Step 6: Final answer
   x = 11,516.99