Finding the Fourth Proportional to 3,905.83, 5,861.05 and 1,442.37

Step by Step Solution

1. Step 1: Write the proportion equation
   3,905.83 : 5,861.05 = 1,442.37 : x
2. Step 2: Convert to fraction form
   3,905.83/5,861.05 = 1,442.37/x
3. Step 3: Cross multiply
   3,905.83x = 5,861.05 × 1,442.37
4. Step 4: Simplify right side
   3,905.83x = 8,453,802.69
5. Step 5: Solve for x
   x = 8,453,802.69/3,905.83
6. Step 6: Final answer
   x = 2,164.41