Finding the Fourth Proportional to 2,072.88, 2,860.60 and 1,141.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,072.88 : 2,860.60 = 1,141.38 : x
2. Step 2: Convert to fraction form
   2,072.88/2,860.60 = 1,141.38/x
3. Step 3: Cross multiply
   2,072.88x = 2,860.60 × 1,141.38
4. Step 4: Simplify right side
   2,072.88x = 3,265,031.63
5. Step 5: Solve for x
   x = 3,265,031.63/2,072.88
6. Step 6: Final answer
   x = 1,575.12