Finding the Fourth Proportional to 2,674.42, 4,012.71 and 1,031.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,674.42 : 4,012.71 = 1,031.86 : x
2. Step 2: Convert to fraction form
   2,674.42/4,012.71 = 1,031.86/x
3. Step 3: Cross multiply
   2,674.42x = 4,012.71 × 1,031.86
4. Step 4: Simplify right side
   2,674.42x = 4,140,554.94
5. Step 5: Solve for x
   x = 4,140,554.94/2,674.42
6. Step 6: Final answer
   x = 1,548.21