Finding the Fourth Proportional to 1,322.93, 1,983.89 and 629.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,322.93 : 1,983.89 = 629.07 : x
2. Step 2: Convert to fraction form
   1,322.93/1,983.89 = 629.07/x
3. Step 3: Cross multiply
   1,322.93x = 1,983.89 × 629.07
4. Step 4: Simplify right side
   1,322.93x = 1,247,999.82
5. Step 5: Solve for x
   x = 1,247,999.82/1,322.93
6. Step 6: Final answer
   x = 943.36