Finding the Fourth Proportional to 2,671.47, 4,004.46 and 1,282.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,671.47 : 4,004.46 = 1,282.72 : x
2. Step 2: Convert to fraction form
   2,671.47/4,004.46 = 1,282.72/x
3. Step 3: Cross multiply
   2,671.47x = 4,004.46 × 1,282.72
4. Step 4: Simplify right side
   2,671.47x = 5,136,600.93
5. Step 5: Solve for x
   x = 5,136,600.93/2,671.47
6. Step 6: Final answer
   x = 1,922.76