Finding the Fourth Proportional to 2,267.06, 3,128.76 and 1,322.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,267.06 : 3,128.76 = 1,322.80 : x
2. Step 2: Convert to fraction form
   2,267.06/3,128.76 = 1,322.80/x
3. Step 3: Cross multiply
   2,267.06x = 3,128.76 × 1,322.80
4. Step 4: Simplify right side
   2,267.06x = 4,138,723.73
5. Step 5: Solve for x
   x = 4,138,723.73/2,267.06
6. Step 6: Final answer
   x = 1,825.59