Finding the Fourth Proportional to 3,750.72, 5,176.09 and 2,072.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,750.72 : 5,176.09 = 2,072.15 : x
2. Step 2: Convert to fraction form
   3,750.72/5,176.09 = 2,072.15/x
3. Step 3: Cross multiply
   3,750.72x = 5,176.09 × 2,072.15
4. Step 4: Simplify right side
   3,750.72x = 10,725,634.89
5. Step 5: Solve for x
   x = 10,725,634.89/3,750.72
6. Step 6: Final answer
   x = 2,859.62