Finding the Fourth Proportional to 1,907.69, 2,862.23 and 1,176.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,907.69 : 2,862.23 = 1,176.42 : x
2. Step 2: Convert to fraction form
   1,907.69/2,862.23 = 1,176.42/x
3. Step 3: Cross multiply
   1,907.69x = 2,862.23 × 1,176.42
4. Step 4: Simplify right side
   1,907.69x = 3,367,178.73
5. Step 5: Solve for x
   x = 3,367,178.73/1,907.69
6. Step 6: Final answer
   x = 1,765.05