Finding the Fourth Proportional to 1,208.99, 1,667.55 and 736.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,208.99 : 1,667.55 = 736.55 : x
2. Step 2: Convert to fraction form
   1,208.99/1,667.55 = 736.55/x
3. Step 3: Cross multiply
   1,208.99x = 1,667.55 × 736.55
4. Step 4: Simplify right side
   1,208.99x = 1,228,233.95
5. Step 5: Solve for x
   x = 1,228,233.95/1,208.99
6. Step 6: Final answer
   x = 1,015.92