Finding the Fourth Proportional to 2,146.70, 3,218.54 and 1,050.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,146.70 : 3,218.54 = 1,050.37 : x
2. Step 2: Convert to fraction form
   2,146.70/3,218.54 = 1,050.37/x
3. Step 3: Cross multiply
   2,146.70x = 3,218.54 × 1,050.37
4. Step 4: Simplify right side
   2,146.70x = 3,380,644.56
5. Step 5: Solve for x
   x = 3,380,644.56/2,146.70
6. Step 6: Final answer
   x = 1,574.81