Finding the Fourth Proportional to 1,345.29, 2,016.09 and 729.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,345.29 : 2,016.09 = 729.33 : x
2. Step 2: Convert to fraction form
   1,345.29/2,016.09 = 729.33/x
3. Step 3: Cross multiply
   1,345.29x = 2,016.09 × 729.33
4. Step 4: Simplify right side
   1,345.29x = 1,470,394.92
5. Step 5: Solve for x
   x = 1,470,394.92/1,345.29
6. Step 6: Final answer
   x = 1,092.99