Finding the Fourth Proportional to 1,156.03, 1,595.61 and 658.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,156.03 : 1,595.61 = 658.83 : x
2. Step 2: Convert to fraction form
   1,156.03/1,595.61 = 658.83/x
3. Step 3: Cross multiply
   1,156.03x = 1,595.61 × 658.83
4. Step 4: Simplify right side
   1,156.03x = 1,051,235.74
5. Step 5: Solve for x
   x = 1,051,235.74/1,156.03
6. Step 6: Final answer
   x = 909.35