Finding the Fourth Proportional to 2,370.56, 3,271.46 and 1,322.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,370.56 : 3,271.46 = 1,322.61 : x
2. Step 2: Convert to fraction form
   2,370.56/3,271.46 = 1,322.61/x
3. Step 3: Cross multiply
   2,370.56x = 3,271.46 × 1,322.61
4. Step 4: Simplify right side
   2,370.56x = 4,326,859.10
5. Step 5: Solve for x
   x = 4,326,859.10/2,370.56
6. Step 6: Final answer
   x = 1,825.25