Finding the Fourth Proportional to 10,887.72, 16,333.52 and 3,771.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,887.72 : 16,333.52 = 3,771.60 : x
2. Step 2: Convert to fraction form
   10,887.72/16,333.52 = 3,771.60/x
3. Step 3: Cross multiply
   10,887.72x = 16,333.52 × 3,771.60
4. Step 4: Simplify right side
   10,887.72x = 61,603,504.03
5. Step 5: Solve for x
   x = 61,603,504.03/10,887.72
6. Step 6: Final answer
   x = 5,658.07