Finding the Fourth Proportional to 2,292.50, 3,163.35 and 1,297.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,292.50 : 3,163.35 = 1,297.72 : x
2. Step 2: Convert to fraction form
   2,292.50/3,163.35 = 1,297.72/x
3. Step 3: Cross multiply
   2,292.50x = 3,163.35 × 1,297.72
4. Step 4: Simplify right side
   2,292.50x = 4,105,151.38
5. Step 5: Solve for x
   x = 4,105,151.38/2,292.50
6. Step 6: Final answer
   x = 1,790.69