Finding the Fourth Proportional to 2,851.98, 4,271.30 and 2,392.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,851.98 : 4,271.30 = 2,392.72 : x
2. Step 2: Convert to fraction form
   2,851.98/4,271.30 = 2,392.72/x
3. Step 3: Cross multiply
   2,851.98x = 4,271.30 × 2,392.72
4. Step 4: Simplify right side
   2,851.98x = 10,220,024.94
5. Step 5: Solve for x
   x = 10,220,024.94/2,851.98
6. Step 6: Final answer
   x = 3,583.48