Finding the Fourth Proportional to 10,789.97, 16,188.85 and 3,771.02

Step by Step Solution

1. Step 1: Write the proportion equation
   10,789.97 : 16,188.85 = 3,771.02 : x
2. Step 2: Convert to fraction form
   10,789.97/16,188.85 = 3,771.02/x
3. Step 3: Cross multiply
   10,789.97x = 16,188.85 × 3,771.02
4. Step 4: Simplify right side
   10,789.97x = 61,048,477.13
5. Step 5: Solve for x
   x = 61,048,477.13/10,789.97
6. Step 6: Final answer
   x = 5,657.89