Finding the Fourth Proportional to 1,283.00, 1,770.50 and 723.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,283.00 : 1,770.50 = 723.48 : x
2. Step 2: Convert to fraction form
   1,283.00/1,770.50 = 723.48/x
3. Step 3: Cross multiply
   1,283.00x = 1,770.50 × 723.48
4. Step 4: Simplify right side
   1,283.00x = 1,280,917.72
5. Step 5: Solve for x
   x = 1,280,917.72/1,283.00
6. Step 6: Final answer
   x = 998.38