Finding the Fourth Proportional to 1,316.83, 1,817.31 and 727.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,316.83 : 1,817.31 = 727.37 : x
2. Step 2: Convert to fraction form
   1,316.83/1,817.31 = 727.37/x
3. Step 3: Cross multiply
   1,316.83x = 1,817.31 × 727.37
4. Step 4: Simplify right side
   1,316.83x = 1,321,856.77
5. Step 5: Solve for x
   x = 1,321,856.77/1,316.83
6. Step 6: Final answer
   x = 1,003.82