Finding the Fourth Proportional to 1,890.12, 2,608.32 and 1,050.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,890.12 : 2,608.32 = 1,050.82 : x
2. Step 2: Convert to fraction form
   1,890.12/2,608.32 = 1,050.82/x
3. Step 3: Cross multiply
   1,890.12x = 2,608.32 × 1,050.82
4. Step 4: Simplify right side
   1,890.12x = 2,740,874.82
5. Step 5: Solve for x
   x = 2,740,874.82/1,890.12
6. Step 6: Final answer
   x = 1,450.11