Finding the Fourth Proportional to 1,230.58, 1,843.71 and 716.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,230.58 : 1,843.71 = 716.50 : x
2. Step 2: Convert to fraction form
   1,230.58/1,843.71 = 716.50/x
3. Step 3: Cross multiply
   1,230.58x = 1,843.71 × 716.50
4. Step 4: Simplify right side
   1,230.58x = 1,321,018.22
5. Step 5: Solve for x
   x = 1,321,018.22/1,230.58
6. Step 6: Final answer
   x = 1,073.49