Finding the Fourth Proportional to 2,443.83, 3,665.46 and 712.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.83 : 3,665.46 = 712.45 : x
2. Step 2: Convert to fraction form
   2,443.83/3,665.46 = 712.45/x
3. Step 3: Cross multiply
   2,443.83x = 3,665.46 × 712.45
4. Step 4: Simplify right side
   2,443.83x = 2,611,456.98
5. Step 5: Solve for x
   x = 2,611,456.98/2,443.83
6. Step 6: Final answer
   x = 1,068.59