Finding the Fourth Proportional to 2,269.24, 3,131.52 and 1,274.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,269.24 : 3,131.52 = 1,274.50 : x
2. Step 2: Convert to fraction form
   2,269.24/3,131.52 = 1,274.50/x
3. Step 3: Cross multiply
   2,269.24x = 3,131.52 × 1,274.50
4. Step 4: Simplify right side
   2,269.24x = 3,991,122.24
5. Step 5: Solve for x
   x = 3,991,122.24/2,269.24
6. Step 6: Final answer
   x = 1,758.79