Finding the Fourth Proportional to 2,780.22, 4,171.41 and 1,050.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,780.22 : 4,171.41 = 1,050.06 : x
2. Step 2: Convert to fraction form
   2,780.22/4,171.41 = 1,050.06/x
3. Step 3: Cross multiply
   2,780.22x = 4,171.41 × 1,050.06
4. Step 4: Simplify right side
   2,780.22x = 4,380,230.78
5. Step 5: Solve for x
   x = 4,380,230.78/2,780.22
6. Step 6: Final answer
   x = 1,575.50