Finding the Fourth Proportional to 1,156.31, 1,595.52 and 658.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,156.31 : 1,595.52 = 658.96 : x
2. Step 2: Convert to fraction form
   1,156.31/1,595.52 = 658.96/x
3. Step 3: Cross multiply
   1,156.31x = 1,595.52 × 658.96
4. Step 4: Simplify right side
   1,156.31x = 1,051,383.86
5. Step 5: Solve for x
   x = 1,051,383.86/1,156.31
6. Step 6: Final answer
   x = 909.26