Finding the Fourth Proportional to 2,146.24, 3,219.72 and 1,050.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,146.24 : 3,219.72 = 1,050.72 : x
2. Step 2: Convert to fraction form
   2,146.24/3,219.72 = 1,050.72/x
3. Step 3: Cross multiply
   2,146.24x = 3,219.72 × 1,050.72
4. Step 4: Simplify right side
   2,146.24x = 3,383,024.20
5. Step 5: Solve for x
   x = 3,383,024.20/2,146.24
6. Step 6: Final answer
   x = 1,576.26