Finding the Fourth Proportional to 1,939.29, 2,675.46 and 1,436.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,939.29 : 2,675.46 = 1,436.37 : x
2. Step 2: Convert to fraction form
   1,939.29/2,675.46 = 1,436.37/x
3. Step 3: Cross multiply
   1,939.29x = 2,675.46 × 1,436.37
4. Step 4: Simplify right side
   1,939.29x = 3,842,950.48
5. Step 5: Solve for x
   x = 3,842,950.48/1,939.29
6. Step 6: Final answer
   x = 1,981.63