Finding the Fourth Proportional to 11,076.61, 16,609.37 and 3,678.47

Step by Step Solution

1. Step 1: Write the proportion equation
   11,076.61 : 16,609.37 = 3,678.47 : x
2. Step 2: Convert to fraction form
   11,076.61/16,609.37 = 3,678.47/x
3. Step 3: Cross multiply
   11,076.61x = 16,609.37 × 3,678.47
4. Step 4: Simplify right side
   11,076.61x = 61,097,082.00
5. Step 5: Solve for x
   x = 61,097,082.00/11,076.61
6. Step 6: Final answer
   x = 5,515.87