Finding the Fourth Proportional to 2,790.86, 3,851.41 and 1,531.97

Step by Step Solution

1. Step 1: Write the proportion equation
   2,790.86 : 3,851.41 = 1,531.97 : x
2. Step 2: Convert to fraction form
   2,790.86/3,851.41 = 1,531.97/x
3. Step 3: Cross multiply
   2,790.86x = 3,851.41 × 1,531.97
4. Step 4: Simplify right side
   2,790.86x = 5,900,250.38
5. Step 5: Solve for x
   x = 5,900,250.38/2,790.86
6. Step 6: Final answer
   x = 2,114.13