Finding the Fourth Proportional to 1,100.93, 1,519.16 and 658.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.93 : 1,519.16 = 658.80 : x
2. Step 2: Convert to fraction form
   1,100.93/1,519.16 = 658.80/x
3. Step 3: Cross multiply
   1,100.93x = 1,519.16 × 658.80
4. Step 4: Simplify right side
   1,100.93x = 1,000,819.31
5. Step 5: Solve for x
   x = 1,000,819.31/1,100.93
6. Step 6: Final answer
   x = 909.07