Finding the Fourth Proportional to 2,267.13, 3,128.37 and 1,322.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,267.13 : 3,128.37 = 1,322.61 : x
2. Step 2: Convert to fraction form
   2,267.13/3,128.37 = 1,322.61/x
3. Step 3: Cross multiply
   2,267.13x = 3,128.37 × 1,322.61
4. Step 4: Simplify right side
   2,267.13x = 4,137,613.45
5. Step 5: Solve for x
   x = 4,137,613.45/2,267.13
6. Step 6: Final answer
   x = 1,825.04