Finding the Fourth Proportional to 2,075.95, 3,109.31 and 1,196.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,075.95 : 3,109.31 = 1,196.38 : x
2. Step 2: Convert to fraction form
   2,075.95/3,109.31 = 1,196.38/x
3. Step 3: Cross multiply
   2,075.95x = 3,109.31 × 1,196.38
4. Step 4: Simplify right side
   2,075.95x = 3,719,916.30
5. Step 5: Solve for x
   x = 3,719,916.30/2,075.95
6. Step 6: Final answer
   x = 1,791.91