Finding the Fourth Proportional to 1,081.37, 1,494.57 and 953.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,081.37 : 1,494.57 = 953.39 : x
2. Step 2: Convert to fraction form
   1,081.37/1,494.57 = 953.39/x
3. Step 3: Cross multiply
   1,081.37x = 1,494.57 × 953.39
4. Step 4: Simplify right side
   1,081.37x = 1,424,900.62
5. Step 5: Solve for x
   x = 1,424,900.62/1,081.37
6. Step 6: Final answer
   x = 1,317.69