Finding the Fourth Proportional to 2,043.89, 3,064.51 and 874.65

Step by Step Solution

1. Step 1: Write the proportion equation
   2,043.89 : 3,064.51 = 874.65 : x
2. Step 2: Convert to fraction form
   2,043.89/3,064.51 = 874.65/x
3. Step 3: Cross multiply
   2,043.89x = 3,064.51 × 874.65
4. Step 4: Simplify right side
   2,043.89x = 2,680,383.52
5. Step 5: Solve for x
   x = 2,680,383.52/2,043.89
6. Step 6: Final answer
   x = 1,311.41