Finding the Fourth Proportional to 11,576.72, 17,368.32 and 3,678.68

Step by Step Solution

1. Step 1: Write the proportion equation
   11,576.72 : 17,368.32 = 3,678.68 : x
2. Step 2: Convert to fraction form
   11,576.72/17,368.32 = 3,678.68/x
3. Step 3: Cross multiply
   11,576.72x = 17,368.32 × 3,678.68
4. Step 4: Simplify right side
   11,576.72x = 63,892,491.42
5. Step 5: Solve for x
   x = 63,892,491.42/11,576.72
6. Step 6: Final answer
   x = 5,519.05