Finding the Fourth Proportional to 1,052.37, 1,451.67 and 658.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,052.37 : 1,451.67 = 658.71 : x
2. Step 2: Convert to fraction form
   1,052.37/1,451.67 = 658.71/x
3. Step 3: Cross multiply
   1,052.37x = 1,451.67 × 658.71
4. Step 4: Simplify right side
   1,052.37x = 956,229.55
5. Step 5: Solve for x
   x = 956,229.55/1,052.37
6. Step 6: Final answer
   x = 908.64