Finding the Fourth Proportional to 2,299.50, 3,173.33 and 1,251.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,299.50 : 3,173.33 = 1,251.57 : x
2. Step 2: Convert to fraction form
   2,299.50/3,173.33 = 1,251.57/x
3. Step 3: Cross multiply
   2,299.50x = 3,173.33 × 1,251.57
4. Step 4: Simplify right side
   2,299.50x = 3,971,638.37
5. Step 5: Solve for x
   x = 3,971,638.37/2,299.50
6. Step 6: Final answer
   x = 1,727.17