Finding the Fourth Proportional to 1,177.68, 1,764.72 and 629.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,177.68 : 1,764.72 = 629.94 : x
2. Step 2: Convert to fraction form
   1,177.68/1,764.72 = 629.94/x
3. Step 3: Cross multiply
   1,177.68x = 1,764.72 × 629.94
4. Step 4: Simplify right side
   1,177.68x = 1,111,667.72
5. Step 5: Solve for x
   x = 1,111,667.72/1,177.68
6. Step 6: Final answer
   x = 943.95