Finding the Fourth Proportional to 1,073.00, 1,608.71 and 725.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,073.00 : 1,608.71 = 725.48 : x
2. Step 2: Convert to fraction form
   1,073.00/1,608.71 = 725.48/x
3. Step 3: Cross multiply
   1,073.00x = 1,608.71 × 725.48
4. Step 4: Simplify right side
   1,073.00x = 1,167,080.70
5. Step 5: Solve for x
   x = 1,167,080.70/1,073.00
6. Step 6: Final answer
   x = 1,087.68