Finding the Fourth Proportional to 1,345.41, 2,016.60 and 729.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,345.41 : 2,016.60 = 729.41 : x
2. Step 2: Convert to fraction form
   1,345.41/2,016.60 = 729.41/x
3. Step 3: Cross multiply
   1,345.41x = 2,016.60 × 729.41
4. Step 4: Simplify right side
   1,345.41x = 1,470,915.39
5. Step 5: Solve for x
   x = 1,470,915.39/1,345.41
6. Step 6: Final answer
   x = 1,093.28