Finding the Fourth Proportional to 1,810.94, 2,696.55 and 1,791.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,810.94 : 2,696.55 = 1,791.38 : x
2. Step 2: Convert to fraction form
   1,810.94/2,696.55 = 1,791.38/x
3. Step 3: Cross multiply
   1,810.94x = 2,696.55 × 1,791.38
4. Step 4: Simplify right side
   1,810.94x = 4,830,536.78
5. Step 5: Solve for x
   x = 4,830,536.78/1,810.94
6. Step 6: Final answer
   x = 2,667.42