Finding the Fourth Proportional to 1,100.84, 1,519.12 and 658.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.84 : 1,519.12 = 658.48 : x
2. Step 2: Convert to fraction form
   1,100.84/1,519.12 = 658.48/x
3. Step 3: Cross multiply
   1,100.84x = 1,519.12 × 658.48
4. Step 4: Simplify right side
   1,100.84x = 1,000,310.14
5. Step 5: Solve for x
   x = 1,000,310.14/1,100.84
6. Step 6: Final answer
   x = 908.68