Finding the Fourth Proportional to 11,048.89, 16,576.43 and 3,658.55

Step by Step Solution

1. Step 1: Write the proportion equation
   11,048.89 : 16,576.43 = 3,658.55 : x
2. Step 2: Convert to fraction form
   11,048.89/16,576.43 = 3,658.55/x
3. Step 3: Cross multiply
   11,048.89x = 16,576.43 × 3,658.55
4. Step 4: Simplify right side
   11,048.89x = 60,645,710.62
5. Step 5: Solve for x
   x = 60,645,710.62/11,048.89
6. Step 6: Final answer
   x = 5,488.85