Finding the Fourth Proportional to 1,182.45, 1,631.84 and 658.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,182.45 : 1,631.84 = 658.52 : x
2. Step 2: Convert to fraction form
   1,182.45/1,631.84 = 658.52/x
3. Step 3: Cross multiply
   1,182.45x = 1,631.84 × 658.52
4. Step 4: Simplify right side
   1,182.45x = 1,074,587.83
5. Step 5: Solve for x
   x = 1,074,587.83/1,182.45
6. Step 6: Final answer
   x = 908.78