Finding the Fourth Proportional to 10,889.72, 16,336.52 and 3,773.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,889.72 : 16,336.52 = 3,773.60 : x
2. Step 2: Convert to fraction form
   10,889.72/16,336.52 = 3,773.60/x
3. Step 3: Cross multiply
   10,889.72x = 16,336.52 × 3,773.60
4. Step 4: Simplify right side
   10,889.72x = 61,647,491.87
5. Step 5: Solve for x
   x = 61,647,491.87/10,889.72
6. Step 6: Final answer
   x = 5,661.07