Finding the Fourth Proportional to 3,751.31, 5,176.71 and 2,072.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,751.31 : 5,176.71 = 2,072.88 : x
2. Step 2: Convert to fraction form
   3,751.31/5,176.71 = 2,072.88/x
3. Step 3: Cross multiply
   3,751.31x = 5,176.71 × 2,072.88
4. Step 4: Simplify right side
   3,751.31x = 10,730,698.62
5. Step 5: Solve for x
   x = 10,730,698.62/3,751.31
6. Step 6: Final answer
   x = 2,860.52