Finding the Fourth Proportional to 10,799.68, 16,200.20 and 3,404.43

Step by Step Solution

1. Step 1: Write the proportion equation
   10,799.68 : 16,200.20 = 3,404.43 : x
2. Step 2: Convert to fraction form
   10,799.68/16,200.20 = 3,404.43/x
3. Step 3: Cross multiply
   10,799.68x = 16,200.20 × 3,404.43
4. Step 4: Simplify right side
   10,799.68x = 55,152,455.40
5. Step 5: Solve for x
   x = 55,152,455.40/10,799.68
6. Step 6: Final answer
   x = 5,106.86