Finding the Fourth Proportional to 1,179.98, 1,628.43 and 682.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,179.98 : 1,628.43 = 682.53 : x
2. Step 2: Convert to fraction form
   1,179.98/1,628.43 = 682.53/x
3. Step 3: Cross multiply
   1,179.98x = 1,628.43 × 682.53
4. Step 4: Simplify right side
   1,179.98x = 1,111,447.74
5. Step 5: Solve for x
   x = 1,111,447.74/1,179.98
6. Step 6: Final answer
   x = 941.92