Finding the Fourth Proportional to 1,308.73, 1,805.98 and 719.26

Step by Step Solution

1. Step 1: Write the proportion equation
   1,308.73 : 1,805.98 = 719.26 : x
2. Step 2: Convert to fraction form
   1,308.73/1,805.98 = 719.26/x
3. Step 3: Cross multiply
   1,308.73x = 1,805.98 × 719.26
4. Step 4: Simplify right side
   1,308.73x = 1,298,969.17
5. Step 5: Solve for x
   x = 1,298,969.17/1,308.73
6. Step 6: Final answer
   x = 992.54