Finding the Fourth Proportional to 1,182.80, 1,632.22 and 658.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,182.80 : 1,632.22 = 658.82 : x
2. Step 2: Convert to fraction form
   1,182.80/1,632.22 = 658.82/x
3. Step 3: Cross multiply
   1,182.80x = 1,632.22 × 658.82
4. Step 4: Simplify right side
   1,182.80x = 1,075,339.18
5. Step 5: Solve for x
   x = 1,075,339.18/1,182.80
6. Step 6: Final answer
   x = 909.15