Finding the Fourth Proportional to 10,779.55, 16,165.28 and 3,757.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,779.55 : 16,165.28 = 3,757.76 : x
2. Step 2: Convert to fraction form
   10,779.55/16,165.28 = 3,757.76/x
3. Step 3: Cross multiply
   10,779.55x = 16,165.28 × 3,757.76
4. Step 4: Simplify right side
   10,779.55x = 60,745,171.14
5. Step 5: Solve for x
   x = 60,745,171.14/10,779.55
6. Step 6: Final answer
   x = 5,635.22