Finding the Fourth Proportional to 1,178.37, 1,626.72 and 736.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,178.37 : 1,626.72 = 736.92 : x
2. Step 2: Convert to fraction form
   1,178.37/1,626.72 = 736.92/x
3. Step 3: Cross multiply
   1,178.37x = 1,626.72 × 736.92
4. Step 4: Simplify right side
   1,178.37x = 1,198,762.50
5. Step 5: Solve for x
   x = 1,198,762.50/1,178.37
6. Step 6: Final answer
   x = 1,017.31