Finding the Fourth Proportional to 2,050.50, 2,828.79 and 1,555.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,050.50 : 2,828.79 = 1,555.50 : x
2. Step 2: Convert to fraction form
   2,050.50/2,828.79 = 1,555.50/x
3. Step 3: Cross multiply
   2,050.50x = 2,828.79 × 1,555.50
4. Step 4: Simplify right side
   2,050.50x = 4,400,182.85
5. Step 5: Solve for x
   x = 4,400,182.85/2,050.50
6. Step 6: Final answer
   x = 2,145.91