Finding the Fourth Proportional to 1,407.38, 1,940.36 and 1,185.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,407.38 : 1,940.36 = 1,185.84 : x
2. Step 2: Convert to fraction form
   1,407.38/1,940.36 = 1,185.84/x
3. Step 3: Cross multiply
   1,407.38x = 1,940.36 × 1,185.84
4. Step 4: Simplify right side
   1,407.38x = 2,300,950.57
5. Step 5: Solve for x
   x = 2,300,950.57/1,407.38
6. Step 6: Final answer
   x = 1,634.92