Finding the Fourth Proportional to 1,208.66, 1,667.98 and 736.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,208.66 : 1,667.98 = 736.58 : x
2. Step 2: Convert to fraction form
   1,208.66/1,667.98 = 736.58/x
3. Step 3: Cross multiply
   1,208.66x = 1,667.98 × 736.58
4. Step 4: Simplify right side
   1,208.66x = 1,228,600.71
5. Step 5: Solve for x
   x = 1,228,600.71/1,208.66
6. Step 6: Final answer
   x = 1,016.50