Finding the Fourth Proportional to 1,928.22, 2,661.17 and 1,182.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,928.22 : 2,661.17 = 1,182.27 : x
2. Step 2: Convert to fraction form
   1,928.22/2,661.17 = 1,182.27/x
3. Step 3: Cross multiply
   1,928.22x = 2,661.17 × 1,182.27
4. Step 4: Simplify right side
   1,928.22x = 3,146,215.54
5. Step 5: Solve for x
   x = 3,146,215.54/1,928.22
6. Step 6: Final answer
   x = 1,631.67