Finding the Fourth Proportional to 1,178.98, 1,626.35 and 736.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,178.98 : 1,626.35 = 736.72 : x
2. Step 2: Convert to fraction form
   1,178.98/1,626.35 = 736.72/x
3. Step 3: Cross multiply
   1,178.98x = 1,626.35 × 736.72
4. Step 4: Simplify right side
   1,178.98x = 1,198,156.82
5. Step 5: Solve for x
   x = 1,198,156.82/1,178.98
6. Step 6: Final answer
   x = 1,016.27