Finding the Fourth Proportional to 2,442.05, 3,369.72 and 1,379.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,442.05 : 3,369.72 = 1,379.67 : x
2. Step 2: Convert to fraction form
   2,442.05/3,369.72 = 1,379.67/x
3. Step 3: Cross multiply
   2,442.05x = 3,369.72 × 1,379.67
4. Step 4: Simplify right side
   2,442.05x = 4,649,101.59
5. Step 5: Solve for x
   x = 4,649,101.59/2,442.05
6. Step 6: Final answer
   x = 1,903.77