Finding the Fourth Proportional to 1,255.00, 1,731.89 and 723.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,255.00 : 1,731.89 = 723.88 : x
2. Step 2: Convert to fraction form
   1,255.00/1,731.89 = 723.88/x
3. Step 3: Cross multiply
   1,255.00x = 1,731.89 × 723.88
4. Step 4: Simplify right side
   1,255.00x = 1,253,668.25
5. Step 5: Solve for x
   x = 1,253,668.25/1,255.00
6. Step 6: Final answer
   x = 998.94