Finding the Fourth Proportional to 1,890.05, 2,608.26 and 1,050.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,890.05 : 2,608.26 = 1,050.83 : x
2. Step 2: Convert to fraction form
   1,890.05/2,608.26 = 1,050.83/x
3. Step 3: Cross multiply
   1,890.05x = 2,608.26 × 1,050.83
4. Step 4: Simplify right side
   1,890.05x = 2,740,832.60
5. Step 5: Solve for x
   x = 2,740,832.60/1,890.05
6. Step 6: Final answer
   x = 1,450.14