Finding the Fourth Proportional to 2,097.97, 3,131.39 and 1,851.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,097.97 : 3,131.39 = 1,851.93 : x
2. Step 2: Convert to fraction form
   2,097.97/3,131.39 = 1,851.93/x
3. Step 3: Cross multiply
   2,097.97x = 3,131.39 × 1,851.93
4. Step 4: Simplify right side
   2,097.97x = 5,799,119.71
5. Step 5: Solve for x
   x = 5,799,119.71/2,097.97
6. Step 6: Final answer
   x = 2,764.16