Finding the Fourth Proportional to 1,180.06, 1,628.67 and 682.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,180.06 : 1,628.67 = 682.72 : x
2. Step 2: Convert to fraction form
   1,180.06/1,628.67 = 682.72/x
3. Step 3: Cross multiply
   1,180.06x = 1,628.67 × 682.72
4. Step 4: Simplify right side
   1,180.06x = 1,111,925.58
5. Step 5: Solve for x
   x = 1,111,925.58/1,180.06
6. Step 6: Final answer
   x = 942.26