Finding the Fourth Proportional to 1,928.67, 2,889.96 and 1,050.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,928.67 : 2,889.96 = 1,050.42 : x
2. Step 2: Convert to fraction form
   1,928.67/2,889.96 = 1,050.42/x
3. Step 3: Cross multiply
   1,928.67x = 2,889.96 × 1,050.42
4. Step 4: Simplify right side
   1,928.67x = 3,035,671.78
5. Step 5: Solve for x
   x = 3,035,671.78/1,928.67
6. Step 6: Final answer
   x = 1,573.97