Finding the Fourth Proportional to 10,779.53, 16,170.82 and 3,384.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,779.53 : 16,170.82 = 3,384.56 : x
2. Step 2: Convert to fraction form
   10,779.53/16,170.82 = 3,384.56/x
3. Step 3: Cross multiply
   10,779.53x = 16,170.82 × 3,384.56
4. Step 4: Simplify right side
   10,779.53x = 54,731,142.50
5. Step 5: Solve for x
   x = 54,731,142.50/10,779.53
6. Step 6: Final answer
   x = 5,077.32