Finding the Fourth Proportional to 3,761.48, 5,189.94 and 2,105.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,761.48 : 5,189.94 = 2,105.48 : x
2. Step 2: Convert to fraction form
   3,761.48/5,189.94 = 2,105.48/x
3. Step 3: Cross multiply
   3,761.48x = 5,189.94 × 2,105.48
4. Step 4: Simplify right side
   3,761.48x = 10,927,314.87
5. Step 5: Solve for x
   x = 10,927,314.87/3,761.48
6. Step 6: Final answer
   x = 2,905.06