Finding the Fourth Proportional to 10,799.49, 16,195.98 and 3,405.81

Step by Step Solution

1. Step 1: Write the proportion equation
   10,799.49 : 16,195.98 = 3,405.81 : x
2. Step 2: Convert to fraction form
   10,799.49/16,195.98 = 3,405.81/x
3. Step 3: Cross multiply
   10,799.49x = 16,195.98 × 3,405.81
4. Step 4: Simplify right side
   10,799.49x = 55,160,430.64
5. Step 5: Solve for x
   x = 55,160,430.64/10,799.49
6. Step 6: Final answer
   x = 5,107.69