Finding the Fourth Proportional to 2,269.38, 3,131.82 and 1,274.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,269.38 : 3,131.82 = 1,274.84 : x
2. Step 2: Convert to fraction form
   2,269.38/3,131.82 = 1,274.84/x
3. Step 3: Cross multiply
   2,269.38x = 3,131.82 × 1,274.84
4. Step 4: Simplify right side
   2,269.38x = 3,992,569.41
5. Step 5: Solve for x
   x = 3,992,569.41/2,269.38
6. Step 6: Final answer
   x = 1,759.32