Finding the Fourth Proportional to 1,345.30, 2,016.08 and 729.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,345.30 : 2,016.08 = 729.34 : x
2. Step 2: Convert to fraction form
   1,345.30/2,016.08 = 729.34/x
3. Step 3: Cross multiply
   1,345.30x = 2,016.08 × 729.34
4. Step 4: Simplify right side
   1,345.30x = 1,470,407.79
5. Step 5: Solve for x
   x = 1,470,407.79/1,345.30
6. Step 6: Final answer
   x = 1,093.00