Finding the Fourth Proportional to 1,334.59, 1,839.47 and 936.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,334.59 : 1,839.47 = 936.37 : x
2. Step 2: Convert to fraction form
   1,334.59/1,839.47 = 936.37/x
3. Step 3: Cross multiply
   1,334.59x = 1,839.47 × 936.37
4. Step 4: Simplify right side
   1,334.59x = 1,722,424.52
5. Step 5: Solve for x
   x = 1,722,424.52/1,334.59
6. Step 6: Final answer
   x = 1,290.60