Finding the Fourth Proportional to 10,789.02, 16,185.06 and 3,390.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,789.02 : 16,185.06 = 3,390.96 : x
2. Step 2: Convert to fraction form
   10,789.02/16,185.06 = 3,390.96/x
3. Step 3: Cross multiply
   10,789.02x = 16,185.06 × 3,390.96
4. Step 4: Simplify right side
   10,789.02x = 54,882,891.06
5. Step 5: Solve for x
   x = 54,882,891.06/10,789.02
6. Step 6: Final answer
   x = 5,086.92