Finding the Fourth Proportional to 10,799.48, 16,199.90 and 3,404.20

Step by Step Solution

1. Step 1: Write the proportion equation
   10,799.48 : 16,199.90 = 3,404.20 : x
2. Step 2: Convert to fraction form
   10,799.48/16,199.90 = 3,404.20/x
3. Step 3: Cross multiply
   10,799.48x = 16,199.90 × 3,404.20
4. Step 4: Simplify right side
   10,799.48x = 55,147,699.58
5. Step 5: Solve for x
   x = 55,147,699.58/10,799.48
6. Step 6: Final answer
   x = 5,106.51