Finding the Fourth Proportional to 1,150.50, 1,724.19 and 629.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150.50 : 1,724.19 = 629.72 : x
2. Step 2: Convert to fraction form
   1,150.50/1,724.19 = 629.72/x
3. Step 3: Cross multiply
   1,150.50x = 1,724.19 × 629.72
4. Step 4: Simplify right side
   1,150.50x = 1,085,748.31
5. Step 5: Solve for x
   x = 1,085,748.31/1,150.50
6. Step 6: Final answer
   x = 943.72