Finding the Fourth Proportional to 10,779.90, 16,171.56 and 3,382.71

Step by Step Solution

1. Step 1: Write the proportion equation
   10,779.90 : 16,171.56 = 3,382.71 : x
2. Step 2: Convert to fraction form
   10,779.90/16,171.56 = 3,382.71/x
3. Step 3: Cross multiply
   10,779.90x = 16,171.56 × 3,382.71
4. Step 4: Simplify right side
   10,779.90x = 54,703,697.73
5. Step 5: Solve for x
   x = 54,703,697.73/10,779.90
6. Step 6: Final answer
   x = 5,074.60