Finding the Fourth Proportional to 2,116.43, 3,173.71 and 729.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116.43 : 3,173.71 = 729.39 : x
2. Step 2: Convert to fraction form
   2,116.43/3,173.71 = 729.39/x
3. Step 3: Cross multiply
   2,116.43x = 3,173.71 × 729.39
4. Step 4: Simplify right side
   2,116.43x = 2,314,872.34
5. Step 5: Solve for x
   x = 2,314,872.34/2,116.43
6. Step 6: Final answer
   x = 1,093.76