Finding the Fourth Proportional to 1,890.02, 2,608.37 and 1,050.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,890.02 : 2,608.37 = 1,050.79 : x
2. Step 2: Convert to fraction form
   1,890.02/2,608.37 = 1,050.79/x
3. Step 3: Cross multiply
   1,890.02x = 2,608.37 × 1,050.79
4. Step 4: Simplify right side
   1,890.02x = 2,740,846.17
5. Step 5: Solve for x
   x = 2,740,846.17/1,890.02
6. Step 6: Final answer
   x = 1,450.17