Finding the Fourth Proportional to 6,779.12, 10,168.56 and 2,162

Step by Step Solution

1. Step 1: Write the proportion equation
   6,779.12 : 10,168.56 = 2,162 : x
2. Step 2: Convert to fraction form
   6,779.12/10,168.56 = 2,162/x
3. Step 3: Cross multiply
   6,779.12x = 10,168.56 × 2,162
4. Step 4: Simplify right side
   6,779.12x = 21,984,426.72
5. Step 5: Solve for x
   x = 21,984,426.72/6,779.12
6. Step 6: Final answer
   x = 3,242.96