Finding the Fourth Proportional to 1,345.82, 2,016.56 and 883.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,345.82 : 2,016.56 = 883.24 : x
2. Step 2: Convert to fraction form
   1,345.82/2,016.56 = 883.24/x
3. Step 3: Cross multiply
   1,345.82x = 2,016.56 × 883.24
4. Step 4: Simplify right side
   1,345.82x = 1,781,108.40
5. Step 5: Solve for x
   x = 1,781,108.40/1,345.82
6. Step 6: Final answer
   x = 1,323.44