Finding the Fourth Proportional to 2,031.12, 3,044.40 and 874.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,031.12 : 3,044.40 = 874.56 : x
2. Step 2: Convert to fraction form
   2,031.12/3,044.40 = 874.56/x
3. Step 3: Cross multiply
   2,031.12x = 3,044.40 × 874.56
4. Step 4: Simplify right side
   2,031.12x = 2,662,510.46
5. Step 5: Solve for x
   x = 2,662,510.46/2,031.12
6. Step 6: Final answer
   x = 1,310.86