Finding the Fourth Proportional to 1,100.56, 1,519.08 and 658.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.56 : 1,519.08 = 658.56 : x
2. Step 2: Convert to fraction form
   1,100.56/1,519.08 = 658.56/x
3. Step 3: Cross multiply
   1,100.56x = 1,519.08 × 658.56
4. Step 4: Simplify right side
   1,100.56x = 1,000,405.32
5. Step 5: Solve for x
   x = 1,000,405.32/1,100.56
6. Step 6: Final answer
   x = 909.00