Finding the Fourth Proportional to 1,406.37, 1,939.37 and 1,083.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,406.37 : 1,939.37 = 1,083.18 : x
2. Step 2: Convert to fraction form
   1,406.37/1,939.37 = 1,083.18/x
3. Step 3: Cross multiply
   1,406.37x = 1,939.37 × 1,083.18
4. Step 4: Simplify right side
   1,406.37x = 2,100,681.38
5. Step 5: Solve for x
   x = 2,100,681.38/1,406.37
6. Step 6: Final answer
   x = 1,493.69