Finding the Fourth Proportional to 1,156.05, 1,595.17 and 658.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,156.05 : 1,595.17 = 658.71 : x
2. Step 2: Convert to fraction form
   1,156.05/1,595.17 = 658.71/x
3. Step 3: Cross multiply
   1,156.05x = 1,595.17 × 658.71
4. Step 4: Simplify right side
   1,156.05x = 1,050,754.43
5. Step 5: Solve for x
   x = 1,050,754.43/1,156.05
6. Step 6: Final answer
   x = 908.92