Finding the Fourth Proportional to 2,165.59, 3,248.73 and 704.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,165.59 : 3,248.73 = 704.40 : x
2. Step 2: Convert to fraction form
   2,165.59/3,248.73 = 704.40/x
3. Step 3: Cross multiply
   2,165.59x = 3,248.73 × 704.40
4. Step 4: Simplify right side
   2,165.59x = 2,288,401.89
5. Step 5: Solve for x
   x = 2,288,401.89/2,165.59
6. Step 6: Final answer
   x = 1,056.71